试题与答案

强度平均值、标准差和变异系数都可用于评定混凝土的生产质量水平。

题型:判断题

题目:

强度平均值、标准差和变异系数都可用于评定混凝土的生产质量水平。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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阅读下面的短文,将划线部分的句子译成汉语或英语。

Look at this. 小题1:.What’s this in English? Ah, it’s a photo. Who’s that in the photo? It’s Li Yan. Li Yan is my good friend. 小题2:.这是她蓝色的手表. Who’s that? The boy in black? It’s Jim. 小题3:. He is an English boy. He is very cool. He is my good friend, too. 小题4:.That is his notebook. We are in No. 38 Middle School. Miss Liu is our English teacher. She goes to school by bus every day. She likes watching TV. 小题5:她是一个好老师. We all like her.

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