Unit 21 单元练习 2021-2022学年下学期北师大版高中英语选修七

北师大高二下学期Unit21练习 Ⅰ. 词性转换。用括号内所给单词的适当形式填空，每空一词。 1. The local festival is held (annual) in July. 2. He was rushed to hospital for a brain (scan). 3. She has unusual (hear) for a lady of her age. 4. As soon as I (entry), they stopped talking. 5. It is (doubt) that the missing airmen will ever be found. 6. What she did was an (abuse) of her position as manager. 7. There are about 1.5 million HIV (carry) in this country. 8. The government is introducing a shorter working (weekly). 9. After the earthquake, the people set about (building) their homes. 10. This machine has been specially (adaptation) for use underwater. 11. She promised (faith) not to tell anyone my secret. 12. We’ve got to be a bit more (system) in the way that we approach this task. Ⅱ. 单项填空。从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。 1. Our members are certainly to this plan as it’s really unrealistic.