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【单选题】
改革是一场新的伟大革命,是从( )A.
扫除发展社会生产力的障碍这个意义上说的
B.
对社会各个方面要进行根本性变革的意义上说的
C.
根本上改变束缚我国生产力的经济体制意义上说的
D.
根本上改变束缚我国生产力的政治体制意义上说的
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皮皮学刷刷变学霸
举一反三
【单选题】If people weren't prepared to experiment with new teaching method, thing would never change.
A.
campaign
B.
swerve
C.
endeavor
D.
manipulate
【单选题】In Para. 7, the sentence “If they are forgotten or squeezed in at the last minute...” means “______.” A) if people forget to do them or try to do them among many other things at the last minute... B) ...
A.
if people forget to do them or try to do them among many other things at the last minute...
B.
if people forget to go to a place it may be very crowded at the last minute...
C.
if there are changes in the shape or size of things left to the last minute...
D.
if things are forgotten and not put into a safe place at the last minute...
【简答题】共混物性能的影响因素有哪些？
【简答题】A．If people had more time to learn how to do it. B．If its cost went down. C．If it could make buildings more attractive. D．If people realized its many advantages.
【单选题】若一个关系模式的所有属性都是不可再分的基本数据项,则称为第一范式。在任何一个关系数据库系统中,所有的关系模式必须满足第一范式。不满足第一范式要求的数据库模式就不能称为关系数据库模式。以下不是关系模型的最低要求的是:、
A.
两个含义重复的属性不能同时存在于一个表中
B.
一个表中的一列不能是其他列的计算结果
C.
一个表中不能有重复的行
D.
一个表中某一列的取值不能有多个含义
【单选题】If people succeed in building muscles they will look _____.
A.
If people succeed in building muscles they will look _____.
B.
thinner
C.
lighter
D.
denser
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