当航行船舶发生漏损进水时，船长立即通知机舱采取的行动（）
A、停车或减速
B、将漏损部位处于下风
C、以上都对
参考答案：A
用特殊疑问词填空。
1. — _____________ is it from Tian'an men Square to the Summer Palace?
— I don't know.
2. — _____________ are you from?
— I am from the U. S.
3. — _____________ is your brother?
— He is a police officer.
4. — _____________ is Children's Day?
— It's June 1st.
5. — _____________ pencils do you have?
— Five.
6. — _____________ is the weather today?
— It's rainy and cool.
如图所示两端球铰的正方形截面压杆，当失稳时，截面将（）。
A．绕y轴弯曲
B．绕z1轴弯曲
C．绕z轴弯曲
D．绕过形心C的任何轴弯曲
