当锅炉发生严重缺水时，汽温（）。
A.上升
B.下降
C.不变
参考答案：A
船舶航行目的地为日本、韩国的，应提供所有人员黄热病预防接种证书。( )
—What if I move the picture over there?Do you think it'll look better?
— ________.Let me give you a hand. [ ]
A. I don't agree with you
B. That's right
C. I couldn't agree more
D. With pleasure
