一般情况下,空气的含水量越高,可燃性粉尘引爆能量越小。()
参考答案:错
--- Would you tell me ___ you want your tea, with sugar or milk?
--- Sugar, please.
A.whether
B.where
C.what
D.how
(2009浙江宁波质检)The building around the corner caught fire last night.The police are now _______ the matter.
A.getting through
B.working out
C.looking into
D.watching over