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Naishidesu
2 năm trước
Mọi người giúp em bài 21 với ạ.
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**** Complete the second sentence so that it has the same meaning to the first one. 1. They gave my village a ton of rice three days after the earthquake. A ton of rice __________________________________________________________ 2. Susan wasn’t injured in the earthquake, and her family wasn’t injured, either. Neither Susan_________________________________________________________ 3. It was such a strong typhoon that all trees were uprooted. The typhoon was_______________________________________________________ 4. Scientists might propose another solution for drought. Another solution_______________________________________________________ 5. Our home and almost everything we owned were destroyed by the tornado. The tornado___________________________________________________________ 6. We’re grateful that you sent us food and fresh water. Thank you____________________________________________________________ 7. It was the first time she had been in the path of a hurricane. She had______________________________________________________________ 8. The storm destroyed everything except the bamboo tree. The only thing_________________________________________________________ 9. It’s a good idea to find safe shelter right away when there is a tornado warning. You_________________________________________________________________ 10. We could look for the information about natural disasters on the Internet. How_________________________________________________________________

Giúp e vs,hứa vote thỏa đáng 6. Khi nói về cấu tạo tim của cá chép, phát biểu nào sau đây đúng? A. Tim cá chép có 3 ngăn gồm: tâm nhĩ, tâm thất trái và tâm thất phải B. Tim cá chép có 3 ngăn gồm: tâm nhĩ trái, tâm nhĩ phải và tâm thất. C. Tim cá chép có 2 ngăn là tâm thất trái và tâm thất phải D. Tim cá chép có 2 ngăn là tâm nhĩ và tâm thất. 7. The external characteristic of Rana rugulosa (Ếch đồng) adapt to life A. on land completely B. under water C. both on land and under water. D. parasitic enviroment. 8. Khi nói về thằn lằn bóng đuôi dài, phát biểu nào sau đây đúng? A. Không có mi mắt thứ ba B. Không có đuôi C. Da khô, có vảy sừng bao bọc D. Vành tai lớn 9. Sự tiêu giảm, thiếu hụt một số bộ phận trên cơ thể có ý nghĩa như thế nào trong đời sống của chim bồ câu? A. Giúp hạn chế sức cản của không khí lên cơ thể khi hạ cánh B. Giúp giảm ma sát giữa các nội quan khi bay C. Giúp giảm mức năng lượng tiêu hao D. Giúp giảm khối lượng của chim, thích nghi với đời sống bay lượn. 10. In these animals below, what animal undergoes the metamorphosis process? ? A. Cyprinus carpio (as carp: cá chép) B. Rana rugulosa (ếch đồng) C. Mabuya longicaudata (thằn lằn bóng đuôi dài) D. Clarias fuscus (catfish: cá trê)

.Read the following passage and choose the best answers each of the questions. Nylon was invented in the early 1930s by an American chemist, Julian Hill. Other scientists worked with his invention and finally on 27 October 1938, Nylon was introduced to the world. It was cheap and strong and immediately became successful, especially in the making of ladies’ stocking. Today, nylon is found in many things: carpets, ropes, seat belts, furniture, computers, and even spare parts of the human body. It has played an important part : in our lives for over 50 years. 1. Julian Hill was a/ an . A. chemist B. American C. inventor D. all are correct 2. Nylon can be found in . A. many things B. spare parts of the human body C. furniture D. all are correct 3. What does the word “introduce” in line 3 mean? A.tell somebody your name B.tell somebody the name of a person C.bring something new into use for the 1 st time D.bring something somewhere 4. Nylon . A. was invented by Julian Hill B. was strong but expensive C. was not very popular D. all are correct 5. Which of the following is not true? A.Nylon was used to make ladies’ stocking. B.At first, people didn’t want to use Nylon. C.Today, Nylon still plays an important part in our lives. D.We can found Nylon in computers.

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