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Câu 1 : Chức năng các bộ phận của hoa - Đài và tràng hoa giúp bảo vệ nhị và nhụy - Tràng hoa gồm nhiều cách hoa co màu sắc khác nhau tùy loại - Nhị có nhiều hạt pấn mang thé bào sinh dục đực - Nhụy có bầu chứa noãn mang thế bào sinh dục cái - Nhị và nhụy là bộ phận sinh sản chủ yếu của hoa Câu 2 : Đặc điểm của hoa thụ phấn nhờ gió - Hoa có màu sắc rặc rỡ , hương thơm mật ngọt - Bao hoa thường có hình ống - Hạt phán to và có gai - Đầu nhụy có chất Đặc điểm hoa thụ phấn nhờ gió - Hoa mai ở vị trí trên ngọn cây - Chỉ nhị dài bao phấn treo lủng lẳng - Hạt phấn nhiều,nhỏ,nhẹ - Đầu nhụy hoặc nhụy có nhiều lông Câu 5 : Cac bộ phận của hạt gồm ; vôi,phôi và chất dinh dưỡng dự trữ Câu 6 : Phát tán nhờ gió : quả hạt có cách, có túm lông, nhẹ Phát tán nhờ đâng vật : quả có hương thơm , vị ngọt , hạt có vỏ cứng Câu 7 : Muốn hạt nảy mầm cần : - Hạt có chất lượng tốt - Điều kiện bên ngoài : đủ nưoớc , đủ ko khí , nhiệt độ thk hợp
Every year when Tet comes, my family will buy a cherry tree to play spring but this year is different. My father was given a apricot tree by a friend in the south, so this year my family used apricot to adorn the house. The apricot tree is not very tall, just a little higher than me. The branch of the tree radiates around a cherry tree. Young green leaves are full of life. But the most beautiful is the apricot blossom. Apricot flowers are similar to the peach blossom of the North but differ in color and size. Its petals are bigger than peach blossom and have a warm bright yellow. My mother said that yellow was the warm sunshine of the far south, which somehow made the house more cozy. Yellow pistil is equally striking. Before the 29th New Year, she and her mother decorated the tree with small lanterns, sentences, flashing lights that made the tree extremely beautiful. Anyone who came to my house would give me a compliment. But apricot flowers do not adapt to the cold weather in the North so only a few days after Tet is the flower begins to fall. I'm sad but I can't do anything. My father told me that next year, I would ask you to buy a tree to return to the spring to play, then there would be conditions for me to go to the South to visit the apricot garden. I am very happy and looking forward to next year's Tet.
Exercise 2. Unscramble the given words to make full sentences.
1. Should / you / what/do/to/Tet/celebrate?
2. You/at/look/it/ should/make/your/clean / house / and / beautiful / Tet.
3. We / with / and /decorate/should / our / clean / room / flowers.
4. Minh / eating/food/loves / during / good / Tet.
5.1/a/joyful/wish / you / successful / and / year.
1 Which season does the apricot bloom in?
2 Where are apricot flowers grown?
3 What color does the apricot have?
Refer:
A.
Lan:Where ( you/spend) did you spend your summer vacation, Hoa?
Hoa : I (go) went to Tri Nguyen Aquarium in Nha Trang with my family.
Lan: What (you/see) did you see there?
Hoa: I (see)saw a lot of types of fish and turtles. (i/buy)I bought several beautiful souvenirs for my friend in the souvenir shop. I also (get) got a big gift for myself. I (enjoy) enjoyed the trip very much.
B.
Nam: How(be) was your trip to Da Lat last week, Ba?
Ba: It (be) was great. I (enjoy)enjoyed it very much.
Nam: What (you/do)did you do there?
Ba: I (visit) visited Love Valley, Xuan Huong Lake, and some famous pagodas. I also (have) had a boat trip on the Tuyen Lay Lake.
I have a big family which gives me everything that I need. My parents have two children, and we also live with our grandparents. Both of my parents have to work very hard to support this family, so they rarely have time to play with us. I am now a grown up boy, so I take the responsibility to take care of my little sister and grandparents when my parents are not home. My father is a manager of a Sell Apartment, and my mother works at the bank. They both have medium height and black hair, and they are very hard - working employees. They usually leave early in the morning without having breakfast at home, and my grandmother is the one who cooks for me and my sister. Both of them are just 75 and very healthy, they have grey hair and some wrinkles as well as freckles on their faces. They spend their free time to play with my sister whenever I go to school. I travel to school by bike, and I am a pretty good student. When I am home, I help doing the house chores, help my grandmother preparing the meals, and look after the baby. My hobbies are playing sports, but I only go out and play with my friends when both of my parents are at home at the weekends. My favorite time of the day is dinner time, because the whole family will all gather after a long day staying out. We spend that little time to talk about our days and share funny stories. Although my parents do not have much time for us, I still love and be thankful to have such a great family that.
I lucky money . because I money very much
I eat chung cake . because it's very delightsome
I being with family . because the time I was with my family was very warm
học tốt
em thik trag trí bằng hoa giả vì em thik
hoa giả vì giá rẻ mà rất bền