为做好防火工作，需配备灭火器的有＿。
A.客车
B.普通货车
C.电力机车
D.内燃机车
参考答案：A, C, D
(2013·威海一模)—Would you mind me opening the window, sir?
—________. I am feeling a bit chilly.
A．By all means
B．Not in the least
C．I'm afraid not
D．I'd rather you didn't
ATWE计算内力组合时可否取消1.35恒+0.98活的组合？
