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【单选题】
SQL语言中定义表的关键字是( )。A.
CREATE TABLE
B.
CREATE VIEW
C.
CREATE INDEX
D.
CREATE PROC
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【简答题】单项选择。 Mary likes ___on Sundays. [ ] a. shopping b. going shopping c. to go shopping d. all the above
【单选题】As some experts say, shopping by television will never take ________ place of shopping in stores, because many people find shopping at a store is ________ great enjoyment. [ ]
A.
/; a
B.
the; a
C.
a; the
D.
a; /
【单选题】Just as some experts say, shopping by television will never take the place of shopping in ______ stores, because many people find shopping at a store ______ great enjoyment.
A.
a; the
B.
the; a
C.
a; /
D.
/; a
【简答题】There is a kind of shopping that is called compulsive（强迫性的） shopping. Compulsive shopping is usually described as out of control and not reasonable. How can we know whether we are one of compulsive sh...
【单选题】关于大环内酯类抗生素抗生素描述错误的是( )
A.
乙酰螺旋霉素经胃肠道吸收之后脱去乙酰基变成抗菌活性强的螺旋霉素而发挥作用
B.
阿奇霉素的半衰期长，每天只需给药次
C.
红梅在胆汁中的浓度可高达血浆药物浓度的数十倍以上
D.
幼儿使用红霉素片剂可以掰碎口服
【单选题】如果外周阻力不变.每搏输出量增大,则动脉血压的变化为( )
A.
收缩压升高,舒张压降低
B.
收缩压不变,舒张压升高
C.
收缩压升高,舒张压不变
D.
收缩压升高比舒张压升高更明显
E.
舒张压升高比收缩压升高更明显
【单选题】关于大环内酯类抗生素描述错误的是
A.
乙酰螺旋霉素经胃肠道吸收后脱去乙酰基变成抗菌活性强的螺旋霉素而发挥作用
B.
阿奇霉素的半衰期长,每天只需给药1次
C.
红霉素在胆汁中的浓度可高达血浆药物浓度的数十倍以上
D.
幼儿使用红霉素片剂可以掰碎口服
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