分娩时损伤会阴皮肤、粘膜、肛提肌、肛门外括约肌，属III度裂伤。
A. 对
B. 错
公量＝[商品实际重量÷（1＋实际回潮率）]×（1＋公定回潮率）。
A. 对
B. 错
2（）
A. He came to our company last year.
B. I think he is a nice person.
C. He was in London 5 years ago.
D. I have met him somewhere before.
9（）
A. To the seaside.
B. To the city center.
C. To the countryside.
D. To the new bridge.
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