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【单选题】
CFC破坏臭氧关键的一步是：A.
CFC 在同温层中分解并释放出氯
B.
CFC 在同温层中分别并释放出碳
C.
太阳辐射将臭氧分解
D.
CFC 直接与同温层中的臭氧结合
E.
工业生产过程中的碳与臭氧发生反应
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【简答题】物联网技术体系除了包括感知层技术、网络层技术和应用层技术外，还包括？（ ） A 关联技术 B 综合技术 C 公共技术 D 应用技术
【简答题】Hi, boys and girls! Welcome to our museum. It’s free . You don’t have to pay any money. But we have some rules for you. Please remember them and do as I say. Firstly, don’t have food or drink here. Yo...
【单选题】听力原文：W: Hi, Bill. I haven't seen a film for half a year. Do you have some free time to go to the cinema with me this weekend? M: Sure. But I don't have any information about the recent films. What abo...
A.
Harry Porter and His Magic Stone.
B.
The Most Wanted.
C.
Both A and B
D.
Another film she prefers.
【单选题】听力原文：W: Hi, Bill. I haven't seen a [Jim for half a year. Do you have some free time to go to the cinema with me this weekend? M: Sure. But I don't have any information about the recent films. What abo...
A.
Harry Porter and His Magic Stone.
B.
The Most Wanted.
C.
Both A and B
D.
Another film she prefers.
【单选题】听力原文：W: Hi, Bill. I haven't seen a film for half a year. Do you have some free time to go to the cinema with me this weekend? M: Sure. But I don't have any information about the recent films. What abo...
A.
Harry Porter and His Magic Stone.
B.
The Most Wanted.
C.
Both A and B
D.
Another film she prefers.
【单选题】---Hi, Jane. Are you free at six this evening? I was wondering if you could come with me to see the movie “X-men”. ---I’m sorry but I________it already. Besides, I________my mother do the laundry.
A.
had seen; would be helping
B.
saw; will help
C.
have seen; would help
D.
have seen; will be helping
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