问题
单项选择题
110KV电压等级配电装置的母线可采用()。
A.矩形母线
B.槽形母线
C.管形母线
D.封闭母线
答案
参考答案:C
110KV电压等级配电装置的母线可采用()。
A.矩形母线
B.槽形母线
C.管形母线
D.封闭母线
参考答案:C
(B) 选择框内适当词组,并以正确形式填空,每个词组限使用一遍。
73 I’ve been trying_______with him all afternoon. I wonder why he doesn’t answer my call. 74. They’re used to________________ the top players, so they’re never nervous in a match. 75 When do you think the dream will _______________________ ? 76 . I remember the whole thing _______________________ it happened yesterday. 77 . When this term____an end, we will have a rest for a long time. How we look forward to it ! |