为“仓库”表增加一个“面积”字段，类型为数值型，宽度是7，小数位数为2，正确的命令是()。
A. CREATE TABLE仓库ADD面积N(7,2)
B. CREATE TABLE仓库ALTER面积N(7,2)
C. ALTER TABIE仓库ADD面积N(7,2)
D. LTER TABLE仓库ALTER面积N(7,2)
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The main idea of the first paragraph is______.
A. manners change with countries
B. everything depends on manners
C. manners are unimportant
D. behaviour (行为) with good manners
The words "did so" in the last sentence mean______.
A. said those words
B. felt in his pocket
C. paid the bill
D. caught the train back to London
1933年5月，原国民党西北军将领冯玉祥在张家口成立的抗日武装力量是()。
A. 东北抗日同盟军
B. 察哈尔抗日同盟军
C. 东北抗日义勇军
D. 察哈尔抗曰义勇军
The story suggests that______.
A. the two doctors would become friends
B. Dr. Turner decided to stay at his present job
C. the two doctors would not work together
Dr. Johnson did not like Dr. Turner
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