1.选择题- (共4题)
2.
洗衣机、空调、电冰箱等家用电器的电源插头有三条线,其中一条接火线(通常标有L字样),一条接零线(通常标有N字样),第三条线接用电器的金属外壳(通常标有PE字样),插座上对应插孔的导线应该与室外的大地相连。如果你家中插座上第三条线对应插孔的导线没有接地,将会发生的现象是:
2.单项选择- (共3题)
5.
_____ his arrival at the village of the crows, he found his at the point of death.
A.Upon | B.Above | C.Beyond | D.Within |
6.
Most Palestinians are _________a path of peace, which means they reject a path of violence.
A.at the mercy of | B.in favor of | C.in terms of | D.owing to |
试卷分析
-
【1】题量占比
选择题:(4道)
单项选择:(3道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:0
7星难题:0
8星难题:3
9星难题:0