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【单选题】
用酸碱滴定法测定氨水中含NH 3 量,先加入已知过量的HCl标准溶液,剩余的HCl用NaOH标准溶液滴定,这种滴定方式称为(    )。
A.
间接滴定法    
B.
置换滴定法    
C.
返滴定法    
D.
直接滴定法
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举一反三
【简答题】A.A man. B.A woman. C.A man and a woman. D.Two men.
【单选题】Why does the author think it a disadvantage for a woman to invite men out for a dinner?
A.
Because it is always considered as another kind of business by colleagues.
B.
Because men don't like to pay the bill.
C.
Because men usually look down upon the woman inviting him to dinner.
D.
Because the woman always goes home late into the night.
【单选题】Men and woman differ in their approach to resolving workplace conflicts in that______.
A.
women tend to be easily satisfied
B.
men are generally more persuasive
C.
men tend to put their personal interests first
D.
women are much more ready to compromise
【单选题】dimension [di’menʃən]
A.
vt.损害,毁坏 n.损害
B.
n.尺寸,尺度;面积
C.
a.相应的;符合的
D.
n.便利,方便;厕所
【单选题】双工序面漆局部修补涂装中第一遍底色漆喷涂面积要比中涂底漆()
A.
一样
B.
C.
【单选题】What sort of men does the third woman like?
A.
Men with masculine faces
B.
Men with feminine faces
C.
Men with dark hair
D.
Men with red hair
【判断题】可见光中,红光的能量最高。
A.
正确
B.
错误
【单选题】What sort of men does the second woman like?
A.
Men with masculine faces
B.
Men who look intelligent
C.
Men with nice smile
D.
Men with curly hairs
【单选题】What sort of men does the first woman like?
A.
Men with feminine faces
B.
Tall men with a beard
C.
Men who look cool
D.
Men who look kind
【单选题】可见光中能量最高的是()
A.
红光
B.
红外线
C.
紫光
D.
紫外线
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