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【单选题】
要修改表名为Table1的字段Field1长度，Char(10)要求用SQL增加长 为char(20)，以下语句那个正确( )A.
Alter table Table1 modify Field1 char（20）
B.
Alter Table1 modify column Field1 char（20）
C.
Alter table Table1 modify column Field1 char（20）
D.
Alter column Field1 char（20）
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【单选题】I don’t think he understands what he reads, _____?
A.
doesn’t he
B.
do I
C.
don’t I
D.
does he
【单选题】What does a man do when he cannot get exactly what he wants?
A.
He buys a similar thing of the colour he wants.
B.
He usually does not buy anything.
C.
At least two of his requirements must be met before he buys.
D.
So long as the style. is right, he buys the thing.
【单选题】What does a man do when he can't get exactly what he wants?
A.
He often looks round the shop.
B.
He will ask the shop assistant for advice.
C.
He will decide to buy something instead.
D.
He doesn't buy anything else.
【单选题】麦当劳创业初期与可口可乐签订排他性分销协议，且在创业困难时期获得可口可乐的融资，二者的合作关系属于()。
A.
长期伙伴关系
B.
短期利益关系
C.
一次性交易关系
D.
说法均不对
【简答题】在 标记中,用来指定外部脚本文件路径的是 ___________ 属性
【单选题】What ______ he _______? He is a reporter. [ ]
A.
do, do
B.
is, does
C.
is, doing
D.
does, do
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