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【简答题】
The craftsman What is the craftsman? The craftsman persistently does and perfects one simple and often repetitious work for a very long time, or even a whole life. Their efforts may seem to be worthless for very often the work they do can be done by machines more easily and quickly. The famous American folklore legend of John Henry, the "steel-driving man", is a great example. He races with the steam drill and won the race, but there he lied while the steam drill stands still, ready for its next test. Yet this is not the end of "John Henry". Songs for him were sung for many generations, his deed was remembered forever just because people are moved for this kind of dedication and devotion. What's your opinion? Please write an essay of about 200 words on the above topic.
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【判断题】多肉不需要施肥。
A.
正确
B.
错误
【简答题】多用途杂货码头常用的三种布置方式为()、()和()。
【简答题】顺岸式码头是()大体与自然岸线平行的布置方式。
【简答题】码头平面布置方式中,挖入式布置是码头、港池水域是在()开挖而成的布置型式。
【判断题】多肉不需要施肥
A.
正确
B.
错误
【多选题】关于数字万用表注意事项描述,正确的有()
A.
如果无法预先估计被测电压或电流的大小,则应先拨至最高量程挡测量一次,再视情况慢慢把量程减小到合适位置。
B.
超量程时,仪表仅在最高位显示数字“1”或“0”,其它位均消失,这时应选择更高的量程。
C.
测量电压时,应将数字万用表与被测电路并联。测电流时应与被测电路串联。
D.
可以在测量高电压(220V以上)或大电流(0.5A以上)时换量程
【简答题】简述按码头横断面形式分类的港内码头布置方式。
【单选题】属于皮肤的结构是:
A.
皮下组织
B.
C.
D.
皮肤腺
【判断题】测量电流时,应将数字万用表串联到被测电路中。
A.
正确
B.
错误
【简答题】高装码头的面板,纵梁,横梁有哪些布置方式?他们对结构内力计算有何影响?
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