Mary looked pale and weary.
A. ill
B. tired
C. worried
D. peaceful
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China is one 0f the ______ countries．
A. develop
B. developed
C. developing
D. development
在单位时间、单位干燥面积上被干物料所能汽化的水分量称( )
A. 汽化量
B. 干燥速率
C. 临界湿含量
D. 汽化速率
E. 蒸发量
世界上第一台计算机是1946年美国研制成功的，该计算机的英文缩写名为______。
A. MARK-II
B. ENIAC
C. EDSAC
D. EDVAC
I wish ______ you the answer to your problems.
A. I can give
B. I could give
C. I give
D. I am giving
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