预计2011年每卖出多少台笔记本同时也会销售出一台平板电脑?()
A.8台
B.4台
C.6台
D.3台
参考答案:B
—I'm getting _________. The jeans are too small for me.
—I'm afraid you have to take exercise every day. [ ]
A. thinner
B. heavier
C. taller
D. shorter
可使物料瞬间干燥的是()
A.冷冻干燥
B.沸腾干燥
C.喷雾干燥
D.减压干燥
E.鼓式干燥