【单选题】架空线路的排列相序应符合( )的规定
A.
面向负荷从左至右为 N , L1 , L2 , L3
B.
面向负荷从左至右为 L1 , N , L2 , L3
C.
面向负荷从左至右为 L1 , L2 , N , L3
D.
面向负荷从左至右为 L1 , L2 , L3 , N
【单选题】Mrs Scott always took the comb with her whenever she went to look for curtains because
A.
the color of the comb was what she wanted.
B.
the comb was the only one she had.
C.
she didn't want to lose the comb.
D.
the colour of the comb was quite different from that of other combs.
【简答题】She asked me to her children while she went out. ( look for / look after )
【判断题】As she sat on the sofa in the bedroom for a good rest, she look around and was even more surprised.
【简答题】简算: 2.5×32×12.5 8×5×( 2 5 - 1 8 ) 4.63+3 4 5 +5.37+7 1 5 17× 5 8 - 5 8 .