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【多选题】
语言的三要素是A.
语音
B.
语法
C.
词汇
D.
句法
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举一反三
【单选题】_____ no need to worry about the problem．The government has promised to have clean water _____ to us from door to door．
A.
It is ; delivered
B.
It is ; delivering
C.
There’s ; to deliver
D.
There’s ; delivered
【单选题】According to the behaviorists, psychologists have no need to ______ the existence of the mind or of anything else that is not observable.
A.
postulate
B.
contemplate
C.
scheme
D.
recommend
【单选题】下列各句中,内部逻辑关系成立的一项是
A.
因为经常跑北京、上海等城市，又肯动脑筋，他的见解总比别人高明。
B.
人说中国人向来是最有骨气的，然而能说汪精卫有骨气吗？
C.
会议都开了一半了，张主任还没来，一定是路上又堵车了。
D.
别看咱们的老王又黑又矮，但思考问题却比谁都周密。
【单选题】下列关于槽轮机构说法错误的是:( )
A.
槽轮机构也属于间歇机构,主动拨盘带动圆销连续转动,从动槽轮时转时停
B.
槽轮每次的转角,由其径向槽数和主动圆销的个数有关
C.
槽轮机构与棘轮机构一样,槽轮运转,只能朝着一个方向转动下去,不可逆反转
【单选题】单线半自动闭塞集中联锁车站，遇超长列车头部越过出站信号机而未压上出站方面的轨道电路发车时，行车凭证为( )。
A.
出站信号机的绿色灯光
B.
出站信号机的白色灯光
C.
调度命令
D.
出站信号机的绿色灯光，并发给司机调度命令
【简答题】槽轮机构由带销的主动拨盘做主动件，做连续匀速转动，主动拨盘上的圆销与槽的啮入啮出推动从动槽轮做间歇运动，槽轮的槽数必须不少于 。
【单选题】We all think that _____ no need to make laws to prevent the young from getting married during their college life.
A.
it is
B.
there has
C.
it has
D.
there is
【简答题】A．You have to prove the failure of your marriage. B．No need to claim wrongdoing by the other spouse. C．The other spouse agrees to dissolve the marriage. D．The other spouse is a drag user.
【简答题】In Para. 3, in addition to the advantages of no need to carry cash and being useful in emergencies, what else is said to be the advantage of credit cards?
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