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问题 单项选择题

A RADIO SIGNAL FROM A DISTRESSED VESSEL AUTOMATICALLY DIRECTED TO A RCC GIVING POSITION，IDENTIFICATION，COURSE AND SPEED OF THE VESSEL AS WELL AS THE NATURE OF DISTRESS is known as（）.

A.Distress alert

B.Safety alert

C.Emergency alert

D.General alert

答案

参考答案：A

单项选择题

Which of the following statements can best summarize the implications of Paragraph 2

A．Texans are so conceited that they blindly and subjectively consider everything Texan to be inclusively Texan.

B．Texans pride themselves on being superior to other Americans who are not as rich as Texans.

C．Texans thumb down on all non-natives and regard them as being less educated and resourceful.

D．Texans are crude in nature, savage in behavior, and conceited in personality.
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填空题

斜面是一种__________，使用斜面的好处是______，斜面高度一定时，斜面越____使用它就越______．
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