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【判断题】
在极不均匀电场中，空气湿度增加，空气间隙击穿电压提高。A.
正确
B.
错误
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【简答题】Reading comprehension. 阅读理解。 Li Ming is a student. He is not a very tall boy. He is only 13 years old. He lives with his family in an apartment. It is not far from the park. The park is very nice. He ...
【简答题】完形填空。选择正确的选项完成短文。 My name is Jenny. I 1 from Canada. I am twelve 2 old. I go 3 a middle school in China. I like China and I like Chinese, 4 . I have a friend. 5 name is Li Ming. He is 6 a letter now. ...
【简答题】Li Ming and Li Tao are twin brothers . They look the same . They’re Chinese . Jim is an English boy . He’s Li Ming and Li Tao’s classmate. He’s twelve years old . His sister’s name is Joy. She is thir...
【简答题】Find out the mistakes and correct them. 找出错误并改正。 ( ) 1. I have to put on my boots on a rain day. A B C ( ) 2. Li Ming is writing an letter in the corner. A B ...
【简答题】阅读理解。 1.Lin Yang: I know Yao Ming. He is great. I want to play sports with my friends. But we don't have soccer balls, basketballs or volleyballs. 2.Liu Mei: It's very cold here, but I have only an ol...
【简答题】听音，选出与你听到的内容不符部分的序号。 ( ) 1. Lynn is four years old . A B C D ( ) 2. My brother is an bus driver . A B C D ( ) 3. What country is west of Canada ? A B C D ( ) 4. Do you k...
【简答题】完成句子。 完成第二个句子,使之与第一句意义相同,每空只填一词。 1. Li Ming is said to have learned 5,000 words up to now. _____ is said that Li Ming _____ learned 5,000 words up to now. 2. He didn't lend me his computer until I pro...
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