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问题 单项选择题

在对工程1、2、3、4进行成本评价时，它们的成本改善期望值分别为：△C1=-20，△C2=-10，△C3=10，△C4=20，则优先改进的对象是( )。

A．工程1

B．工程2

C．工程3

D．工程4

答案

参考答案：D

完形填空

先通读下面的短文，掌握其大意，然后根据短文内容和所给首字母，在空格内填入一个适当的词，使短文意思完整 。所填单词在题后横线上必须完整写出。

T he South China Sea Islands are m 小题1:  up of the East Sand Islands, West Sand Islands, Middle Sand Islands, South Sand Islands and Huangyan Island. A 小题2:  the islands of Nansha Islands, Huangyan Island is the only island above the China South Sea. It is r 小题3: in all kinds of fishes. It is one of the most beautiful t 小题4: attractions in China. Many people there still make a l 小题5:   by fishing from the sea. However, on April 10, 2012, the Philippine soldiers   b 小题6:   into this island. They threatened (威胁) our six fishermen by guns to stand in the sun for two hours without any clothes. They even r 小题7:  our fishermen to sign a file to announce that Huangyan Island belonged to Philippine, but was refused firmly.

“We will never give up! Huangyan Island has been part of China for c  小题8: ” a Chinese government official said a 小题9:  .With the help of the Chinese government, the six fishermen were saved at last and they succeeded in leaving the island s  小题10:   .They went back to China yesterday.

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单项选择题 B1型题

医疗用毒性药品、第二类精神药品处方保存期限为（）

A.1年

B.1年半

C.二年

D.3年

E.5年
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