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Choose the word that has the underlined part pronounced differently for the rest.
1. a. this b. think c. thank d.thieves
2. a. gather b. bathe c. birthday d. weather
3. a. tooth b. breathe c. through d. earth
4. a. thirty b. than c. therefore d. those
5. a. mouth b. Thursday c. nothing d.worthy
1. A. this B. think C. thank D. thieves
2. A. gather B. bathe C. birthday D. weather
3. A. tooth B. breathe C. through D. earth
4. A. thirty B. than C. therefore D. those
5. A. brother B. breath C. either D. clothes
6. A. hate B. air C. chair D. hair
7. A. prepare B. carry C. share D. fair
8. A. racket B. skateboard C. games D. player
9. A. favorite B. animal C. channel D. programme
10. A. cold B. photo C. continent D. poster
11. A. city B. capital C. nice D. excite
12. A. tomorrow B. tower C. crowd D. around
13. A. postcard B. come C. home D. so
14. A. programme B. sport C. most D. show
15. A. favorite B. night C. fine D. high
1, A. the B. there C. think D. they
2, chịu
3, A. when B. where C. detective D. best
4, A. clumsy B. cute C. just D. but
5, A. weather B. newsreader C. teaching D. repeat
6, A. game B. relax C. national D. channel
1. C
2. D (nếu gạch chữ "th")
3. C (nếu gạch chân chữ "e" đầu của từ detective)
4. B
5. A
6. A
Phonetics: Choose the word whose underlined part is pronounced differently:
1. A. tooth B. clothing C. bath D. both
2. A. gather B. monthly C. father D. brother
3. A. though B. thank C. through D. thin
4. A. clip B. give C. twice D. stupid
5. A. studio B. documentary C. cute D. stupid
a)\(Fe+CuSO4-->Cu+FeSO4\)
b) \(n_{Fe}=\frac{1,96}{56}=0,035\left(mol\right)\)
\(m_{CuSO4}=\frac{100.10}{100}=10\left(g\right)\)
\(n_{CuSO4}=\frac{10}{160}=0,0625\left(mol\right)\)
Do \(0,036>0,0625\Leftrightarrow\) \(n_{Fe}< n_{CuSO4}\)
=> CuSO4 dư.Tính theo n chất hết (Fe)
Chất rắn B là Cu
\(n_{Cu}=n_{Fe}=0,035\left(mol\right)\)
\(m_{Cu}=0,035.64=2,24\left(g\right)\)
c) m dd A =\(m_{Fe}+m_{ddCuSO4}-m_{Cu}=1,96+100-2,24=99,72\left(g\right)\)
dd A là FeSO4 và CuSO4 dư
\(n_{FeSO4}=n_{Fe}=0,035\left(mol\right)\)
\(m_{FeSO4}=0,035.152=5,32\left(g\right)\)
\(C\%_{FeSO4}=\frac{5,32}{99,72}.100\%=5,33\%\)
\(n_{CuSO4}=n_{Fe}=0,035\left(mol\right)\)
\(n_{CuSO4}dư=0,0625-0,035=0,0275\left(mol\right)\)
\(m_{CuSO4}dư=0,0275.160=4,4\left(g\right)\)
\(C\%_{CuSO4}dư=\frac{4,4}{99,72}.100\%=4,41\%\)
I. Choose the word that has the underlined part pronounced differently.
1. A. mother B. gather C. together D. thirteen
2. A. wireless B. reduce C. electricity D. environment
II. Choose the word whose main stress pattern is not the same as that of the others.
1. A. symbol B. palace C. pollute D. future
2. A. opinion B. factory C. beautiful D. universe
III. Choose the best option to complete the following sentences.
1. My brother likes playing soccer …………………I like watching cartoons at home.
A. or B. but C. and D. because
2. If I tell you a secret, …………you ………not to tell it to anyone else?
A. do ... promise B. did ... promise C. will...promise D. have ... promised
3. They would like some vegetables, some meat and some rice…………dinner.
A. for B. from C. in D. at
4. Is the Nile River …………………river in the world?
A. long B. longer C. longest D. the longest
5. It’s important …………………our skin from harmful effects from the sun.
A. protect B. protected C. to protect D. protecting
6. The students in my school…………………part in a lot of outdoor activities in summer.
A. have B. do C. take D. bring
7. ………your eldest sister read and write Enlgish when she …………five?
A. Can...is B. Can...was C. Could...is D. Could ... was
8. I think that life in the future …………………far better than it is now.
A. is B. was C. will be D. being
IV. Complete the second sentence with the same meaning as the first one.
1. We started to collect old clothes for our charity programme last week.
-> We have collected old clothes for our charity programme for a week.
2. We will probably go to the moon for our summer holidays in 2050.
-> We might be able to go to the moon for our summer holidays in 2050.
3. Did your class have forty students two years ago?
-> Were there forty students in your class two years ago?
4. Unless your father leaves right away, he will miss the train.
-> If your father don't leave right away, he will miss the train.
V. Write meaningful sentences, using the words and phrases given below. Make any changes if necessary.
1. I/ not/ able/do everything/ myself/ if/ not have/ modern robot/ ./
-> I will be able to do everything by myself if it doesn't have modern robot.
2. Tung’s little sisters/ see “Tom and Jerry”/ many times/ ./
-> Tung’s little sisters have seen “Tom and Jerry” for many times.
3. The children/ enjoy/ stay/ on/ farm/ during/ summer vacation./
-> The children enjoy staying on the farm during the summer vacation.
4. Mr. Tinh/ often/ go/work/ foot/ but now/ he / go/ car/ ./
-> Mr. Tinh often goes to work on foot but now he is going by car.
VI. Read the text, then answer the questions below.
We are destroying the the earth. The seas and rivers are too dirty to swim in. There is too much smoke in the air in many cities in the world. We are cutting down too many trees. We are burning the forests. We are also destroying lots of plants and animals. Many areas of the earth are wasteland. Farmers in many parts of the world can not grow enough to eat. In some countries, there is too lillte rice. The earth is in danger now. Save the Earth right now!
1. Are the seas and rivers too dirty to swim in?
-> Yes, they are.
2. What is there in the air in many cities in the world?
-> There is too much smoke in the air in many cities in the world.
3. What are we doing to our environment?
-> We are cutting down too many trees, burning the forests, destroying lots of plants and animals.
4. Can farmers in many parts of the world grow enough to eat?
-> No, they can't.
5. How is the earth now?
-> The earth is in danger now.
6. What must we do to the earth right now?
-> Save the Earth right now!
I. Choose the word that has the underlined part pronounced differently.
1. A. mother B. gather C. together D. thirteen
2. A. wireless B. reduce C. electricity D. environment
II. Choose the word whose main stress pattern is not the same as that of the others.
1. A. symbol B. palace C. pollute D. future
2. A. opinion B. factory C. beautiful D. universe
III. Choose the best option to complete the following sentences.
1. My brother likes playing soccer …………………I like watching cartoons at home.
A. or B. but C. and D. because
2. If I tell you a secret, …………you ………not to tell it to anyone else?
A. do ... promise B. did ... promise C. will...promise D. have ... promised
3. They would like some vegetables, some meat and some rice…………dinner.
A. for B. from C. in D. at
4. Is the Nile River …………………river in the world?
A. long B. longer C. longest D. the longest
5. It’s important …………………our skin from harmful effects from the sun.
A. protect B. protected C. to protect D. protecting
6. The students in my school…………………part in a lot of outdoor activities in summer.
A. have B. do C. take D. bring
7. ………your eldest sister read and write Enlgish when she …………five?
A. Can...is B. Can...was C. Could...is D. Could ... was
8. I think that life in the future …………………far better than it is now.
A. is B. was C. will be D. being
IV. Complete the second sentence with the same meaning as the first one.
1. We started to collect old clothes for our charity programme last week.
-> We have……collected old clothes for our charity programme since last week.……………………………………………………........
2. We will probably go to the moon for our summer holidays in 2050.
-> We might …go to the moon for our summer holidays in 2050.…………………………………………………………........
3. Did your class have forty students two years ago?
-> Were ……there forty students in your class 2 years ago ……….............………………………………….…………?
4. Unless your father leaves right away, he will miss the train.
-> If........ your father doesn't leave right away, he will miss the train.……………………………………….……….………………
V. Write meaningful sentences, using the words and phrases given below. Make any changes if necessary.
1. I/ not/ able/do everything/ myself/ if/ not have/ modern robot/ ./
I won’t be able to do everything myself if I don’t have a modern robot.
2. Tung’s little sisters/ see “Tom and Jerry”/ many times/ ./
Tung’s little sisters have seen “Tom and Jerry” many times.
3. The children/ enjoy/ stay/ on/ farm/ during/ summer vacation./
The children enjoy staying on a farm during their summer vacation.
4. Mr. Tinh/ often/ go/work/ foot/ but now/ he / go/ car/ ./
Mr. Tinh often goes to work on foot but now he is going by car.
VI. Read the text, then answer the questions below.
We are destroying the the earth. The seas and rivers are too dirty to swim in. There is too much smoke in the air in many cities in the world. We are cutting down too many trees. We are burning the forests. We are also destroying lots of plants and animals. Many areas of the earth are wasteland. Farmers in many parts of the world can not grow enough to eat. In some countries, there is too lillte rice. The earth is in danger now. Save the Earth right now!
1. Are the seas and rivers too dirty to swim in?
-> ..………… Yes, they are.………………………………………………………
2. What is there in the air in many cities in the world?
-> ..……………There is too much smoke in the air in many cities in the world.……………………………………………………
3. What are we doing to our environment?
-> ..…………………We are cutting down too many trees. We are burning the forests. We are also destroying
lots of plants and animals.
………………………………………………
4. Can farmers in many parts of the world grow enough to eat?
-> ..……………No, they can’t.……………………………………………………
5. How is the earth now?
-> ..………The earth is in danger now.…………………………………………………………
6. What must we do to the earth right now?
-> ..………We must save the Earth right now!…………………………………………………………
1. A. there B. theatre C. earth D. anything
2. A. anything B. them C. neither D. weather
3. A. think B. than C. Thursday D. third
4. A. father B. they C. the D. thick (thick chứ sao lại thich nhỉ?)
5. A. than B. thin C. through D. month
Dài :v
1a.this
2c.birthday
3b.breathe
4a.thirty
5d.worthy
1a
2c
3