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【判断题】
利用 KVL 列写回路电压方程时,回路绕行方向不同影响计算结果。A.
正确
B.
错误
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参考解析：
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皮皮学刷刷变学霸
举一反三
【简答题】马氏体不锈钢焊接时,易于产生的主要问题有:____、____ 和____问题。
【单选题】4-17、判断char型变量ch是否为大写字母的正确表达式是________。
A.
‘A’<=ch<=‘Z’< /div>
【单选题】患儿男,2岁,神志清醒。入院后查体:头围48cm,胸围49cm,身长85cm,该小儿的体重是( )
A.
6kg
B.
8kg
C.
10kg
D.
12kg
E.
14kg
【单选题】It was Feb 8 2014 （Beijing） ___the opening ceremonies of the 2014 Winter Olympics ___ in Russia．
A.
that, broke off
B.
before, put off
C.
since, set off
D.
when, kicked off
【单选题】Why can't astronauts drink water from cups?
A.
The water would come from the open cups.
B.
The water would spill all over their food
C.
Crams would float in the cups
D.
The cups would float in the air.
【简答题】what a flight is if it goes directly from one place to another?
【单选题】关于旁站的说法,错误的是()。
A.
旁站记录是监理工程师依法行使有关签字权的重要依据
B.
旁站师建设工程监理工作中用以监督工程目标实现的重要手段
C.
旁站应在总监理工程师的指导下由现场监理人员负责具体实施
D.
工程竣工验收后，工程监理单位应当将旁站记录存档备查
【单选题】Three high school students started a website in order to ______.
A.
attract greater public attention to their needs
B.
appeal to the public for contribution and donations
C.
expose officials who neglected their duties
D.
keep people properly informed of the crisis
【单选题】Why can't astronauts drink water from cups?
A.
The water would come from the open cups.
B.
The water would spill all over their food.
C.
Crumbs would float in the cups.
D.
The cups would float in the air.
相关题目：
【单选题】4-17、判断char型变量ch是否为大写字母的正确表达式是________。
A.
‘A’<=ch<=‘Z’< /div>