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课时作业22 Unit 22 Environmental Protection 一、单元扣点 Ⅰ.单词拼写 1．It is in the air that there will be a ________(台风) this week. 答案 typhoon 2．Stick to your ________(原则) and tell him you won't do it. 答案 principles 3．All three teams ________(采取) different approaches to the problem. 答案 adopted 4．The handle was just ________(超出) my reach. 答案 beyond 5．I have my ________(疑虑) about his ability to do the job. 答案 reservations 6．C________ is one way to make sure we have enough energy in the future. 答案 Conservation 7．Oil pollution could damage the e________ of the coral reefs. 答案 ecology 8．She t________ him with her death. 答案 threatened 9．I________ is needed to make crops grow in dry areas. 答案 Irrigation 10．Many parents in China often make s________ for their children. 答案 sacrifices Ⅱ.完成句子 1．从各方面来说，那都是极大的成功。 ________ ________ ________ it had been a great success. | 
