问题 单项选择题

检修SS4型电力机车制动控制柜时,分板调试插件参数性能达到标准要求:1号延时插件测试,调W1使中点电压为()。

A、(12.5+0.3)V

B、(13.5+0.3)V

C、(14.5+0.3)V

D、(15.5+0.3)V

答案

参考答案:C

选择题
完形填空

Ⅱ. 写作(共两节,满分35分)

第一节:短文填词(共10小题;每小题1分,满分10分)

阅读下面短文,根据以下提示:1)汉语提示,2)首字母提示,3)语境提示,在每个空格内填入一个适当的英语单词,并将该词完整地写在右边相对应的横线上。所填单词要求意义准确,拼写正确。

注意:本题分A、B两篇,A篇为一级达标学校学生应答题,B篇为非一级达标学校学生应答题。

(A)

Once an American and a Frenchman decided to cross the

sea _____ France and England in balloon in 1784. When they flew                        81. ________

high over the w     , they suddenly discovered a hole in the                                82. ________

balloon. What was_____ (更糟糕), the hole became bigger and bigger.                  83. ________

The air keeping the balloon_____ was escaping quickly and the                              84. ________

balloon was coming down. _____ (看到) this, the two men threw                          85. ________

a      their equipment away to make the balloon lighter. It started                             86. ________

to r     higher again. But soon it again was too close to the water.                       87. ________

Finally, the men had _____ choice but to throw away most of                          88. ________

their clothes to s      themselves. The crowd was very surprised                         89. ________

to see this when the balloon_____(降落)in front of them.                                     90. ________