问题
单项选择题
测深线间隔的确定应顾及海区的重要性、海底地形特征和海水的深度等因素确定。原则上主测深线间隔图上为（）cm
A.小于1cm
B.1~2cm
C.0.25cm
D.大于2cm
答案
参考答案：B
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测深线间隔的确定应顾及海区的重要性、海底地形特征和海水的深度等因素确定。原则上主测深线间隔图上为（）cm
A.小于1cm
B.1~2cm
C.0.25cm
D.大于2cm
参考答案：B
Homesick is a compound (复合的) word made up of HOME and SICK. You know what each means on its own, of course. But do you know the meaning they are used together? The definition (定义) of homesick is SICK FOR HOME. It means you miss your home. Now think for a minute SEASICK. If you change the word HOME in the definition to the word SEA, would the definition SEASICK? Does seasick mean SICK FOR SEA? It means something quite . Seasick means SICK BY THE MOVEMENT ON THE SEA. When you are , the only place you want to be is at home. When you are seasick, you want to be is at sea. Have you ever a person being heartsick? Heartsick doesn’t mean that something is wrong with a person’s heart. People are heartsick when they are deep inside as if (好像) their hearts are broken. And we also have other compound words, such as handshake and . Perhaps you may write definitions for them. It must be helpful to know something like this in your English study.
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