问题
单项选择题
构造筋下料长度允许偏差为（）mm，切断口平齐，两端头不应弯曲。
A.±10
B.±15
C.±20
答案
参考答案：A
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构造筋下料长度允许偏差为（）mm，切断口平齐，两端头不应弯曲。
A.±10
B.±15
C.±20
参考答案：A
补全对话。从方框中选择最佳选项完成对话,有两项多余。
Betty: Hi, Sally. Come in and sit down. Sally: Look at all those fans! __1__ You've got a wonderful collection. Betty: Yes, I've got fifty or sixty fans. __2__ Sally: Yes, I have a collection of dolls. And my brother collects stamps. Betty: And I collect tickets-you know, bus tickets and train tickets! Sally: Really?__3__ I play the violin and I listen to music all the time. Betty: __4__ Sally: My father is a musician. I often listened to him when he played the violin. And he gave me my first violin eight years ago. Betty: And now music has brought you to China. __5__ Sally: At the end of this term. There' s a concert at Radio Beijing. Betty: Wow! You're going to be really famous! I'll go and listen to it! Sally: Thank you ! Betty: You're welcome ! |