剖面图的标注包括三部分：剖切位置线、（）和编号（图名）。
查看答案
根据剖切范围的不同，剖面图有全剖面图、半剖面图和（）剖面图三种。
There are five short dialogues about taking risks. Listen carefully, and choose the best answer to the question.[音频]Q: Why is the man not a risk taker?
A. He does not like risk.
B. He is a worrier.
C. He does not want to get hurt.
D. His parents don't like risk.
Q: What is windsurfing like?
A. Like sailing.
B. Like boating.
C. Like parasailing.
D. Like skiing.
Q: Why would the woman not risk losing her job?
A. She needs to support a family.
B. She needs to pay rent.
C. She needs to buy food.
D. She needs to study further.
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