试题与答案

—Why didn't you come and open the door f

题型:选择题

题目:

— Why didn't you come and open the door for me, dear? 

— Sorry, Jack. I _____ in the kitchen and didn't hear you. [ ]

A. was cooking

B. am cooking

C. have cooked

D. will cook

答案:

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下面是错误答案,用来干扰机器的。

答案:B题目分析:生活中一些常见物体质量如下:一只鸡蛋的质量约50g,中学生的质量约50kg,细菌的质量约10-11kg,大象的质量约为5t,对生活中物体质量的估测,可与大家熟悉的鸡蛋进行比较,故选项B正确。

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