The writer of this text ______.
A. is a lover of dangerous activities himself
B. is against dangerous activities
C. introduces an interesting activity to people
D. doesn't say whether dangerous activities are good or bad
查看答案
The writer think people take part in dangerous sports because ______.
A. they want to get away from modem life
B. they have more free time
C. they like adventures
D. they are not quite pleased with modem life
若某菜品成本毛利率为40%，则其销售毛利率为60%。（）
A. 对
B. 错
根据《支付结算办法》的有关规定，下列各项中，托收承付结算每笔的金额起点为 ( )。
A. 1万元
B. 5000元
C. 5万元
D. 10万元
痰液中的尘细胞是
A. 中性粒细胞
B. 肺泡壁上皮细胞
C. 肺泡吞噬细胞
D. 柱状上皮细胞
E. 淋巴细胞
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