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G
26 tháng 11 2019
ó đợi tui chút !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SK
26 tháng 11 2019
ĐỀ KIỂM TRA HỌC KỲ I MÔN TOÁN LỚP 7 - ĐỀ SỐ 1
Câu 1: (3 điểm)
Hãy chọn câu trả lời đúng trong các bài tập sau đây và ghi vào bài làm của mình chữ cái đứng trước câu trả lời đó.
1) Kết quả của phép tính -5/12 + (-1)/4 là:
A. -6/12 B. -8/12 C. 8/12 D. 6/12
2) Biết rằng -3/4 = x/5. Giá trị của x bằng:
A. -20/3 B. -15/4 C. 2 D. -2
3) Cho ΔABC và ΔMNP như hình vẽ:
Ta có đẳng thức sau:
A. góc A = góc M C. góc M = góc B
B. góc M = góc C D. góc A = góc N
4) Giá trị của biểu thức M = (3 - 2,5) - [5 - (-1,5)] là:
A. 4 B. 1 C. -6 D. -3
5) Cho một đường thẳng cắt hai đường thẳng song song. Khi đó số cặp góc đồng vị bằng nhau được tạo thành là:
A. 1 B. 6 C. 8 D. 4
6) Cho hàm số y = f(x) = -2x + 1. Khẳng định nào sau đây là đúng:
A. f(-1) = 3 B. f(0) = 1 C. f(1/2) = 1 D. f(2) = 1/3
Câu 2: (1,5 điểm)
Tính giá trị của các biểu thức sau:
Câu 3: (1,5 điểm)
Biết độ dài ba cạnh của một tam giác tỉ lệ với 2; 5; 9. Tính độ dài mỗi cạnh của một tam giác đó biết rằng cạnh nhỏ nhất ngắn hơn cạnh lớn nhất 14m.
Câu 4: (3 điểm)
Cho tam giác ABC, có góc A = 900. Tia phân giác BE của góc ABC (E ∈ AC). Trên BC lấy M sao cho BM = BA.
a) Chứng minh ΔBEA = ΔBEM.
b) Chứng minh EM ⊥ BC.
c) So sánh góc ABC và góc MEC
Câu 5: (1 điểm)
NN
1
T
16 tháng 12 2017
Dưới đây là đề thi cuối học kì 1 môn Toán lớp 7 năm học 2017 – 2018 của trường THCS Trần Văn Trị có đáp án chi tiết. Mời thầy cô và các em tham khảo.
ĐỀ KIỂM TRA HỌC KỲ 1 – MÔN TOÁN – LỚP 7
NĂM HỌC 2017 – 2018
( Thời gian làm bài 90 phút không kể phát đề)
I. PHẦN TRẮC NGHIỆM KHÁCH QUAN: (3,0 điểm).
Khoanh tròn vào chữ cái đứng trước câu trả lời đúng.
Câu 1. (-3)4 có giá trị là:
A. -81 B. 12 C. 81 D. -12
Câu 2. Cách viết nào sau đây là đúng:
Câu 3. Cho đường thẳng c cắt hai đường thẳng a và b và trong các góc tạo thành có một góc so le trong bằng nhau thì:
A. a//b B. a cắt b C. ab D. a trùng với b
Câu 4. Điểm thuộc đồ thị hàm số y = -2x là:
A. (-1; -2) B. (1/2;-4) C. (0;2) D. (-1;2)
Câu 5. Cho biết x và y là 2 đại lượng tỉ lệ thuận, biết khi x = 5 thì y = 15. Hệ số tỉ lệ của y đối với x là:
A. 1/3 B. 3 C. 75 D. 10
Câu 6. Tam giác ABC vuông tại A ta có:
II. PHẦN TỰ LUẬN: (7,0 điểm)
Câu 1 (1,0 điểm). Thực hiện phép tính:
Câu 2 (1,0 điểm). Tìm x biết:
Câu 3.(1,5 điểm). Một tam giác có chu vi bằng 36cm, ba cạnh của nó tỉ lệ thuận với 3; 4; 5. Tính độ dài ba cạnh của tam giác đó.
Câu 4. (2,5 điểm). Cho tam giác ABC có các góc đều nhọn, và AB < AC. Tia phân giác của góc A cắt cạnh BC tại D. Vẽ BE vuông góc với AD tại E. Tia BE cắt cạnh AC tại F.
a, Chứng minh AB = AF.
b, Qua F vẽ đường thẳng song song với BC, cắt AE tại H. Lấy điểm K nằm giữa D và C sao cho FH = DK. Chứng minh DH = KF và DH // KF.
c, Chứng minh .
Câu 5 (1,0 điểm).
______ HẾT ______
ĐÁP ÁN VÀ HƯỚNG DẪN GIẢI
I. PHẦN TRẮC NGHIỆM KHÁCH QUAN: (3,0 điểm).
| Câu | 1 | 2 | 3 | 4 | 5 | 6 |
| Đáp án | C | D | A | D | B | C |
Nhớ kết bạn đấy !
TL
1
NT
9
29 tháng 8 2016
PART A: PHONETICS (2pts)
Section I: Choose the word which has the underlined part pronounced differently from the others.(1pt)
1. A. school B. chair C. chemistry D. character
2. A. serious B. symptom C. sugar D. sauce
3. A. order B. novel C. portable D. score
4. A. coop B. cartoon C. stool D. indoors
Section II. Choose the word that has different stress from others.(1pt)
1. A. complete B. detective C. gather D. event
2. A. mixture B. allow C. affect D. disease
3. A. exit B. cushion C. turtle D. improve
4. A. museum B. useful C. cavity D. wedding
PART B: VOCABULARY AND GRAMMAR.(10pts)
Section I: Choose the best answer from A,B,C or D to fill in the gaps.(2pts)
1. She is staying................................her uncle and aunt's house.
A. at B. in C. with D. on
2. Their trip to Da Lat ....................wonderful.
A. was B. were C. are D. is
3. There is............................meat in the box.
A. any B. a few C. a little D. many
4. Don't forget .....................your teeth before going to bed.
A. brush B. to brush C. brushing D. not to brush
5 You ............................stay at home when you are sick.
A. had better B. should C. mustn't D. A and B
6. He doesn't like candy. I.................
A. don't too B. don't, either C. don't neither D. do so
7. I divided the sweets.....................several boys.
A. during B. between C. into D. among
8. He was only ten, but he ate........................his father did.
A. as much as B. more that C. much than D. as much than
Section II: Supply the correct tense for the verbs in brackets.(2pts)
1. My mother often (go)..............to the market every morning but she ( not go)....................there this morning.
=> .........................................................................................................
2. When (you/ have).........................the last medical check-up?
=> .........................................................................................................
3. Why ( you/ not take) ..................part in the picnic last Sunday?
=> .........................................................................................................
4. Where ( your teacher/ be)....................?
- He (explain)......................a new lesson in that class.
=> .........................................................................................................
=> .........................................................................................................
5. I (pick)...............you up at your hotel in half an hour.
=> .........................................................................................................
6. We can't go out now because it (rain) .
=> ................................................................................................
Section III: Give the correct form of the words in brackets.(2pts)
1. The noise in the city kept Hoa...................at night. (Wake)
2. In................to that, my bike tires was flat. (Add)
3. Mr. Tan has a very...............................tooth. (Pain)
4. Then, Thanh.................a pan and stir-fried the beef. (Hot)
5. Sugar is not an......................food because we need it to live. (Health)
6. Catching the common cold is..................for every body. (Please)
7. Don't worry! Your cold will last for a few days and then................ (Appear)
8. I have.................time to play than my friend. (Little)
Section IV: Finish each of the following sentences in such a way that it is as similar as possible in meaning to the sentence printed before it.(2pts)
1 Listening to music is more interesting than watching TV.
=> I prefer........................................................................................................
2. It isn't important for you to finish the work today.
=> You don't......................................................................................................
3. How much is this dictionary?
=> What ........................................................................................................?
4. How heavy is the chicken?
=> What...........................................................................................................?
5. Mr. Trung and Mrs. Trung type quickly .
=> Mr. Trung and Mrs. Trung..................................................................................
6. I got to work in half an hour yesterday.
=> It took ..........................................................................................................
7. My mother doesn't like coffee and tea.
=> My mother likes neither....................................................................................
8. You shouldn't eat too much candy.
=> You'd...........................................................................................................
Section V: There is a mistake in each of these sentences. Underline the mistake and then correct it. (2pts)
1. The dirt on vegetables can cause you sick .
=> ..................................................................................................................
2. Scientists say that the life started in the ocean .
=> .................................................................................................................
3. He gave up to smoke 2 years ago.
=> ...................................................................................................................
4. He is a fast runner. He runs fastly.
=> ...................................................................................................................
5. Can I lend your pencil? I'm sorry. I'm using it.
=> ...................................................................................................................
6. You should keep silently when they are working.
=> ..................................................................................................................
7. How many times in a day do you brush your teeth ?
=> ...................................................................................................................
8. Long is worried because he has see the dentist.
=> ...................................................................................................................
PART C: READING.( 4pts)
Section I: Read the following story and write true (T) or false (F). (1.5pts)
When Dave was young, he played a lot of games, and he was thin and strong, but when he was forty-five, he began to get fat and slow. He was not able to breathe as well as before, and when he walked rather fast, his heart beat painfully.
He did not do anything about this for a long time, but finally he became anxious and went to see a doctor, and the doctor sent him to a hospital. Another young doctor examined him there and said, " I don't want to mislead you, Mr. Dave. You are very ill, and I believe that you are unlikely to live much longer. Would you like me to arrange for anybody to come and see you before you die?
Dave thought for a few seconds and then he answered, "I'd like another doctor to come and see me".
Your answers:
1. Dave was fat and slow until he was forty five.
2. As soon as Dave had trouble in breathing and walking, he went to see a doctor.
3. Dave was afraid he was ill.
4. The young doctor thought Dave was going to die soon.
5. He wanted to see another doctor, first.
6. Dave did not trust the young doctor.
Section II: Read the passage and write ONE suitable word for each space. (2.5pts)
Many people nowadays have to wear false teeth when they was middle-aged.
Since the beginning of this century,(1)..................decay has greatly increased. The amount(2) ..................sugar in our food has also increased Doctors and dentists now know that(3)..........................is the chief cause of tooth(4) ................ Eskimos' teeth, for example, started to(5)..........when they began to eat sweet(6)..................
Long ago doctors did not like(7).........treat people's teeth. Barbers and blacksmiths(8)................after people's teeth and pulled them(9)............ when they decayed. Some people thought(10)..................................was a punishment from the gods.
PART D: READING.( 4pts)
Section I: Using the givens words to write a passage. (2pts)
Dung/ go/ Nha Trang/ family/ vacation/ last month//. She/ stay/ hotel/ side/ beach//. In the early morning/ she/ go/ sea/ swim/an hour//. Then/ she/ breakfast/ food stall/ beach/ enjoy/ fresh air/ morning//. Afternoon/ she/ take/ photos/ sights//. She/ stay/ Nha Trang/ four days/ took/ nice photos//. She/ also/ buy/ postcards/ souvenirs/ friends//. It/ be/ great vacation/ because/ she/ have/fun.
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Section II: Write a passage about 150 words to describe the activities at recess (2pts)
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
THE END
29 tháng 8 2016
Đáp án:
PART A: PHONETICS (2pts)
Section I: Choose the word which has the underlined part pronounced differently from the others. (1pt) (0.25x4=1pt)
1. B 2. C 3. B 4. D
Section II. Choose the word that has different stress from others. (1pt) (0.25x4=1pt)
1. C 2. A 3. D 4. A
PART B: VOCABULARY AND GRAMMAR.(10pts)
Section I: Choose the best answer from A,B,C or D to fill in the gaps.(2pts) (0.25x8=2pts)
1. A 2. D 3. C 4. B
5. D 6. B 7. D 8. A
Section II: Supply the correct tense for the verbs in brackets. (2pts) (0.25x8=2pts)
1. My mother often goes to the market every morning but she doesn't go there this morning.
2. When did you have the last medical check-up?
3. Why didn't you take part in the picnic last Sunday?
4. Where is your teacher?
- He is explaining a new lesson in that class.
5. I will pick you up at your hotel in half an hour.
6 We can't go out now because it is raining
Section III: Give the correct form of the words in brackets.(2pts) (0.25x8=2pts)
1. awake 2. addition 3. painful 4. heated
5. unhealthy 6. unpleasant 7. disappear 8. less
Section IV: Finish each of the following sentences in such a way that it is as similar as possible in meaning to the sentence printed before it.(2pts) (0.25x8=2pts)
1. I prefer listening to music to watching TV.
2. You don't have/need to finish the work today.
3. What is the price of this dictionary?
4. What is the weight of chicken?/ What is the chicken's weight?
5. Mr. Trung and Mrs are quick typists .
6. It took me half an hour to get to work yesterday .
7. My mother likes neither coffee nor tea .
8. You'd better not eat too much candy.
Section V: There is a mistake in each of these sentences. Underline the mistake and then correct it.(2pts) (0.25x8=2pts)
1. The dirt on vegetables can make you sick.
2. Scientists say that life started in the ocean.
3. He gave up smoking 2 years ago.
4. He is a fast runner. He runs fast.
5. Can I borrow your pencil? I'm sorry. I'm using it.
6. You should keep silent when they are working.
7. How many times a day do you brush your teeth?
8. Long is worried because he has to see the dentist.
PART C: READING.( 4pts)
Section I: Read the following story and write true(T) or false(F). (1.5pts) (0.25x6=1.5pts)
1. F 2. F 3. T 4. T 5. F 6. T
Section II: Read the passage and write ONE suitable word for each space.(2.5pts)
Your answers: (0,25x10=2.5pts)
1. tooth 2.of 3. sugar 4. decay 5. decay
6. food 7. to 8. looked 9. out 10. toothache
PART D: READING.( 4pts)
Section I: Using the givens words to write a passage. (0,25x8=2pts)
Dung went to Nha Trang with her family on vacation last week. She stayed at a hotel on the side of the beach. In the early morning, she went to the sea and swam for an hour. Then she had breakfast in the food stall on the beach to enjoy fresh air in the morning. In the afternoon, she took some photos of the sights. She stayed in Nha Trang for four days and took of a lot of nice photos. She also bought some postcards and souvenirs for her friends. It was a great vacation because she had a lot of fun.
Section II: Write a passage about 150 words to describe the activities at recess. (2pts)
NT
7
24 tháng 12 2016
Các bài tính chắc bạn tự làm được nhỉ. Mình cho bạn 3 bài giải này:
1. Biết độ dài các cạnh của một tam giác tỉ lệ với 3,5,7. tính chu vi tam giác đó biết tổng độ dài hai cạnh là 32cm
2.cho tam giác ABC có AB=AC. Gọi M là trung điểm của BC
a) Chứng minh: Tam giác AMB=AMC
b)Gọi I là trung điểm của đoạn thẳng AM. Trên tia CI lấy điểm N sao cho CN=2CI. Chứng minh: AN//BC
c) Trên tia BI lấy K sao cho BK=2BI. Chứng minh: A,N,K thẳng hàng
d) Chứng minh: AM Vuông góc với NK
3. Tìm các số hữu tỉ a,b,c biết ab=2; bc=3;ca=54
vào trang tuyển sinh 2k7 đấy có mà