问题
单项选择题
下列关于等深线用途的说法中,何者是错误的()。
A.等深线可用于避险
B.等深线可用于导航
C.等深线可用来缩小概率船位区
D.等深线可用来测定仪器误差
答案
参考答案:D
下列关于等深线用途的说法中,何者是错误的()。
A.等深线可用于避险
B.等深线可用于导航
C.等深线可用来缩小概率船位区
D.等深线可用来测定仪器误差
参考答案:D
选择方框中所给词组填空。 | |
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1. Outgoing people arc easy to _ . 2. I'm afraid of speaking many people. 3. If you can't sleep at night, why not _ before going co bed? 4. Every time we don't know what to do, my father will ___ some good ideas. 5. Nobody could take away the books from the . |