某船顶风顺流航行，船速15kn，流速2kn，2h后相对计程仪读数差为3_爱下问搜题

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问题单项选择题

某船顶风顺流航行，船速15kn，流速2kn，2h后相对计程仪读数差为30＇.0，计程仪改正率ΔL=－10%，则该船实际航程为（）。

A．27＇.0

B．30＇.0

C．30＇.6

D．31＇.0

答案

参考答案：D

填空题

Will there be robots in the future?
What was she doing at 8 o’clock last night?
When did you start swimming?
What did your math teacher say?
I’m going to bring food to the party.

A. When I was eight years old.
B. Yes, there will.
C. He said I was hard-working.
D. If you do, the teacher will take it away.
E. She was watching TV.

单项选择题 A1型题

下列药物中，具有强心作用的药物是（）

A.氨茶碱

B.乙酰唑胺

C.呋塞米

D.甘露醇

E.氢氯噻嗪