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共58小题，约2710字。

　　Unit 11 Let’s Protect The Environment同步检测题
　　一、单项选择
　　1. I like Chinatown. It’s ________ good place to do shopping.
　　A. a          B. an        C. the        D. /
　　*2. Kate has lost her keys. She asks _________for help.
　　A. I         B. me        C. my       D. mine
　　**3. My home is ________ from our school. So I never ride my bike to school.
　　A. ten minute’s walk       B. ten-minutes walk
　　C. ten minutes walk          D. ten minutes’ walk
　　*4. Yesterday was my friend Bruce’s birthday. He invited me ______ his birthday party.
　　A. for        B. at       C. to        D. on
　　**5. Nearly two weeks passed _________ I received my father’s letter.
　　A. before      B. while       C. until       D. as soon as
　　**6. We don’t have much homework now and our school bags are _____ they used to be.
　　A. as heavy as   B. not as heavy as  C. as heavily as   D. not as heavily as
　　**7. —Must I finish the work today?   —Yes, but you ________finish it now.
　　A. must       B. need       C. need to      D. don’t have to
　　**8. Nancy enjoyed herself so much       she visited her friends in Sydney last year.
　　A. that    B. which   C. when   D. where
　　**9. There are so many kinds of MP3 in the shop. We can’t decide ________.
　　A. what to buy     B. to buy what     C. which to buy    D. to buy which
　　**10. More than two _______ years ago, people knew little about the universe.  
　　A. thousands      B. thousand      C. thousand of     D. thousands of
　　*11. _______interesting book it is! I want to read it again.
　　A. What an      B. How an     C. What       D. How