Unit 13 Section A3a-3b 作业 2023-2024学年人教版英语九年级全册

Unit 13 We're trying to save the earth! Period 2 Section A (3a-3b) 【.根据句意，用括号中所给词的适当形式填空 1.She's going to work in the part of China next year.(south) 2.During the epidemic,Dr.Zhang Wenhong with his medical team tries their best to make plenty of research.(science) 3.This is an animal.But we should try to save it,or it will be in (danger) 4.The government encourages people to use bags.(use) Ⅱ.将下列句子中汉语部分译成英语，注意使用适当的形式 5.It's very important to keep the balance of the in the ocean's ecosystem.(食物链) 6. no scientific studies have shown that shark fins are good for health (到目前为止) 7.People called for to prevent the killing of wild animals.(制定法律) 8. different kinds of training schools has increased.(…的数量) 9.Smoking your health.Please give it up.(对…有害) Ⅲ山.单项填空 ( )10 the mountain,I have a sense of calm. A.In the top B.At the top of C.At the top D.In the top of ()11.The king was very and he gave an order that those poor people would be killed at once. A.kind B.humorous C.cruel D.scared ( )12.-What have you learnt after three years'study in China,Maria? —I was taught knowledge_ good manners. A.either;or B.not only;but also C.neither;nor D.not;but ()13.He a small piece of bread and gave it to me. A.cut up B.cut down C.cut off D.cut in ()14.To save electricity,we must the lights in time. A.tur up B.turn down C.turn on D.turn off ( )15. students at my school have done some voluntary work and them is increasing. A.A number of;a number of B.A number of;the number of C.The number of;the number of D.The number of;a number of IV.用括号中所给词的适当形式填空，使语篇意思完整，必要时请用否定式 Many have heard of shark fin soup.This famous and expensive dish is 16. (especial)popular in 17.(south)China.But do you realize that you 18. (kill)a whole shark each time you enjoy a bowl of shark fin soup? When people catch sharks,they cut off their 19. (fin)and throw the sharks back into the ocean.This is not only cruel,but also 20. (harm)to the environment.Without a fin,a shark 21. (can)swim and slowly dies.Sharks are at the t