梁的平面注写包括集中标注和原位标注,集中标注表达梁的通用数值,原位标注表达梁的特殊数值
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根据听力内容选出正确答案。[音频]
A. You're welcome.
B. I'm very pleased.
C. It's my pleasure.
D. Not at all.
根据听力内容选出正确答案。[音频]
A. Let's go out.
B. We plan to have a yare sale in the neighborhood.
C. We can have a picnic.
D. Sorry, I am busy.
根据听力内容选出正确答案。[音频]
A. I will
B. Thank you
C. No problem
D. Of course
根据听力内容选出正确答案。[音频]
A. Please forgive me.
B. That's all right.
C. I could.
D. OK