Unit 20 Lesson 3 练习2021-2022学年北师大版高二英语 选修七

Unit 20 Lesson 3 I. 根据下列各句句意以及所给单词的首字母或汉语提示词，写出该单词的正确形式（每空一 词）。 1. A m________ is an instrument that can be used to observe small objects, even cells. 2. I want to know whether you followed the emergency p________ when you heard the alarm. 3. He told me he suffered from a disease that would affect different ________ (器官) in his body. 4. It’s hoped that the ________ (望远镜) will enable scientists to see deeper into the universe than ever before. 5. The successful businessman has ________ (捐赠) millions of dollars to the institution which focuses on cancer treatment. 6. Make sure that any ideas and development work about a possible future ________ ( 专 利 ) application are kept secret. 7. Nowadays, many women are faced with the d________ of choosing between work and family commitments. II. 从 a-g 中选出与下列句子中画线单词意思相近的选项（每项限用一次）。 a. divided b. result c. treated d. straightforward e. most important f. exchanged letters g. at the same time 1. Many diseases that were likely to kill people in the pa