DKZD-1140/660型低压馈电开关开距规定为()。
A.1.5mm
B.2mm
C.4~4.5mm
D.18mm;
参考答案:D
求未知数X.
(1)4X-1.6X=24
(2)(X-0.4):8=3:2.
We all believe _______,because she is ______honest girl.
A.the words she says; a
B.what she says; an
C.what does she say; a
D.she says what; an