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【单选题】
以下关于工程中的常见约束的说法中,错误的是
A.
柔绳约束与链条约束类似,约束力只能沿着绳索的方向背离被约束的物体;
B.
光滑铰链约束和光滑球铰链约束本质上都是光滑接触约束,约束力其实只有一个;
C.
光滑接触面约束对应的约束反力,其方向沿着接触处的公法线而指向被约束的物体;
D.
光滑铰链约束类型中包含径向轴承、光滑圆柱铰链、固定铰链支座、光滑球铰链等。
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【判断题】royal_wedding.mp3: n New words n reckons 计算;算帐;估计 n productivity 生产力 n consecutive 连续的 n The pomp and pageantry 壮观场面 n fork out 支付 Britons are happy about the wedding, until they find out the cost.
A.
正确
B.
错误
【简答题】Don't worry about the money, money follow people. People should follow the __________.
【单选题】If you are famous, people will watch you _____ and follow you everywhere. [     ]
A.
all the time
B.
by the time
C.
on time
D.
at times
【单选题】下列关于银行结算 账户 的说法,正确的是( )
A.
银行结算账户既包括人民币存款结算业务,也包括外币存款结算业务
B.
银行结算账户属于单位定期存款帐户
C.
银行结算帐户不同于储蓄帐户
D.
银行结算帐户限于单位存款人结算开立
【单选题】How can I help ________ if people just don’t follow my advice?
A.
this
B.
them
C.
that
D.
it
【简答题】To most people, one way to follow their career is to ______.
【简答题】Why may people not follow closely the traffic laws in small towns? [A] Because the streets are not crowded. [B] Because people don't like the laws. [C] Because cars take care of the people.
【简答题】A.They exaggerate the roles of certain groups of people. B.They force people to follow the cultural mainstream. C.They hinder our perception of individual differences. D.They emphasize diversity at th...
【单选题】糖尿病对妊娠的影响不正确的是
A.
.受孕机率增加
B.
.羊水过多的发生率增加
C.
.妊高征的发生率增加
D.
.泌尿生殖道的感染机会增加
【单选题】糖尿病对妊娠的影响不正确的是
A.
受孕机率增加
B.
羊水过多的发生率增加
C.
妊高征的发生率增加
D.
泌尿生殖道的感染机会增加
E.
难产发生率增高
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