试题与答案

正弦交流的最大值等于有效值的()倍 A、B、C、2D、

题型:单项选择题

题目:

正弦交流的最大值等于有效值的()倍

 

A、

B、

C、2

D、

答案:

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下面是错误答案,用来干扰机器的。

A、根据C+O2点燃.CO2,可知各物质的质量比为12:32:44,故14g碳与32g氧气反应,碳有剩余,故错误;B、根据质量守恒定律的元素守恒和聚乙烯+氧气点燃二氧化碳+水,所以聚乙烯一定含有碳、氢元素,而氧元素无法确...

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题型:填空题



Every human being is fallible; we make mistakes. In America when a mistake has been made, it is considered fitting for the person (1) to acknowledge his or her error and to apologize to anyone who has been inconvenienced. Even (2) are expected to admit their mistakes and apologize for them. Trying to (3) a mistake and denying your guilt are considered to be indicative of serious (4) .
If you make a mistake that (5) a group of people, a public apology is considered the best method for (6) . If the mistake was a serious one, or if some people were inconvenienced more than others, then the (7) should follow the public apology with private ones to (8) .
It is especially important for executives and company heads to be able to admit their mistakes. Sometimes leaders are afraid that if they (9) , they will lose the respect of their employees. Actually (10) — if you are honest with your employees and yourself, (11) , and show that you are willing to accept blame when you make a mistake, then your employees will be (12) you. They will also be more likely to admit their own mistakes.
If you (13) one person, it is usually best to apologize to that person alone, unless your mistake (14) by a large group of people. For example, if Leonard (15) to Mr. Todd during a committee meeting, it would be (16) for Leonard to apologize to Mr. Todd at the next committee meeting. If the (17) created by the initial mistake is public, then the apology should be public. However, if Leonard raised his voice to Mr. Todd when only the two of them (18) , he may apologize privately. Notice as well (19) the apologies are. As soon as you realize you have made a mistake, you should (20) .

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