蒸发器液氨油水含量的增加将使液氨温度（）。
A.上升
B.下降
C.不变
D.平衡
参考答案：A
Facing the emergence, we were at a loss and none of us could ______ a solution to the problem.
A．come about
B．come out
C．come up against
D．come up with
俄国人喜欢喝（）。
A.啤酒
B.葡萄酒
C.烈性酒
D.餐前酒
