题目内容

溴氰菊酯是拟除虫菊酯类杀虫剂，又叫（）。

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如果APU长时间没有工作，那么启动后有何要求？

A. 没有
B. 不带任何负载运转至少5分钟
C. 接上所有负载运转至少5分钟
D. 接通电源断开引气运转至少5分钟

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细石砼防水层砼养护应在浇12-24h进行，养护时间不得少于（）d。

A. 7d
B. 14d
C. 28d

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When the carrier is liable for the compensation in respect of loss of or damage to the goods，such compensation shall be calculated on the basis of the Merchant’s net invoice cost，plus freight and insurance premium，if paid. This sentence means that（）.

A. if the freight and insurance premium are paid，they shall be added to the basis
B. if the freight and insurance premium are not paid，they shall be added to the basis
C. the freight and insurance premium shall not be added to the basis even they are paid
D. the freight and insurance premium shall be added to the basis even they are not paid

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高原病不可恢复的有（）。

A. 高原心脏病
B. 高原肺水肿
C. 高原脑水肿
D. 高原红细胞增多症

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