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【简答题】
补全句子。 1. Do you _____ working _____ groups helpful? 2. My favorite English class activities are doing grammar _____ and _____ videos. 3. I prefer _____ class activities _____ a partner. 4. When I am working _____ a group, I take _____ and _____ the group. 5. I memorize new words better if I listen to them _____ and _____. 6. When I speak English _____ loud, I sometimes worry about _____ mistakes. 7. Before I say something in English, I think _____ it in Chinese, and then _____ it.
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【简答题】中国人民武装警察部队是由哪几个部分组成的?主要担负什么任务?
【单选题】关于组成蛋白质的氨基酸结构，正确的说法是（）
A.
在α-碳原子上都结合有氨基或亚氨基
B.
所有的α-碳原子都是不对称碳原子
C.
组成人体的氨基酸都是L型
D.
赖氨酸是唯一的一种亚氨基酸
E.
以上均正确
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【单选题】What do travelers need to check in any type of their insurance policies?
A.
How long their visa is good for.
B.
What is the age limit as a young traveler.
C.
What they are and are not covered for.
D.
How they can get their money back.
【单选题】What do travelers do on the United Kingdom tour?
A.
They take a boat trip down the river.
B.
They go to plays and concerts.
C.
They learn about the countryside.
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