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问题 单项选择题

提高经营差异率的根本途径是( )。

A．提高净利息率
B．提高杠杆贡献率
C．提高净经营资产利润率
D．提高资产负债率

答案

参考答案：C

解析： 经营差异率二净经营资产利润率—净利息率。

单项选择题

Weight(体重)is one of the taboo subjects. In America, it is OK, or even good, to be thin but it is an embarrassment(尴尬) to be overweight. In fact, the thinner you are, the more beautiful you are thought to be. You’ll find that most models(模特) are nothing more than skin and bones. A woman who is thin is easy to become popular. Of course, there are lots of people do their best to be thin. They may use all kinds of ways, such as doing exercise, or dieting(节食). But, sometimes, dieting may bring about some healthy problems.

It is not polite for people to say that somebody is fat.
[A] Right. [B] Wrong.[C] Doesn’t say.

Americans are very careful about their weight and most of the time they do not tell others how much they weigh even if they are quite thin. Therefore, you’d better not ask about it. But if you really want to talk about this subject, it’s always safer to say, "Oh, it looks like you have lost weight. " However, if you would like to be honest and polite, I suggest that you should choose your words carefully, perhaps by saying:"Hey, you look great. Very healthy looking. " And always remember, you can not use the word "fat".
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解答题

含有未知数的式子叫方程．______（判断对错）
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