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【单选题】
NH3的共轭碱是( )
A.
NH4+
B.
NH2-
C.
OH-
D.
NH3· H2O
E.
H2O
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参考答案:
举一反三
【单选题】A company has 7% loan notes in issue which are redeemable in seven years' time at a 5% premium to their nominal value of $100 per loan note. The before-tax cost of debt of the company is 9% and the af...
A.
$92.67
B.
$108.90
C.
$89.93
D.
$103.14
【单选题】If he takes some medicine, I think he better tomorrow.
A.
are
B.
would be
C.
will be
D.
is
【单选题】婴幼儿易发生呼吸道感染的原因之一是呼吸道黏膜缺乏
A.
黏液腺
B.
纤毛
C.
鼻毛
D.
IgM
E.
分泌型IgA
【单选题】A man is going to the house of a friend's. It is quite far away. so he takes some sandwiches (三明治) along for his lunch. When llc goes along. lie says to himself. 'My friend is sum Io give me a very ni...
A.
True.
B.
False.
【多选题】冲击试验常用带有缺口的试样进行,缺口的形状主要两种,是下列哪两种?
A.
U型缺口
B.
V型缺口
C.
R型缺口
【单选题】改革开放新时期以来,我们取得一切成绩和进步的根本原因是( )
A.
严格遵循了马恩经典论述
B.
坚持贯彻了无产阶级下继续革命的路线
C.
高举了中国特色社会主义伟大旗帜
D.
实现了指导思想多元化
【单选题】纤维的断裂强度低时,可采取的调整方法是()。
A.
提高牵伸压辊压力
B.
降低牵伸倍数
C.
降低松弛热定型温度
D.
提高松弛热定型温度
【单选题】婴幼儿易发生呼吸道感染的原因之一是呼吸道黏膜缺乏 ( )
A.
黏液腺
B.
纤毛
C.
鼻毛
D.
IgG
E.
SIgA
【单选题】China's "Company Law" states: "Shareholders of one company limited by shares cannot prove that the property of the company is independent from the shareholder should liable to the debt of company join...
A.
Capital significantly insufficient
B.
over control between association legal person
C.
Corporate Personality confuse
D.
use of the company to evade contractual obligations
【单选题】我国宪法规定的政治权利具体包括( )
A.
平等
B.
宗教信仰自由
C.
选举权和被选举权
D.
人身自由
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