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【单选题】
有专家认为,上世纪80年代以来,通过多种融资渠道进行市场化运作的收费公路,确实从根本上改善了我国的交通条件,但这种市场化运作的公路投资管理体制,在解决我国交通供给严重短缺问题的同时,也付出了较大的代价,就是目前遍布全国的设卡收费的高价公路,已经成为影响我国经济持续快速健康发展的一个硬约束。 这段文字意在说明( )
A.
公路采取市场化运作并非明智之举
B.
经济健康发展需要改变公路高价收费的现状
C.
采用市场化运作的公路投资管理体制得不偿失
D.
公路市场化运作是改善我国交通条件的必要条件
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【单选题】听力原文:M: I'm so tired that I can't see straight. W: You've been tired a lot lately, haven't you? M: Well, for the last few weeks, I've had to stay up most the nights to observe star configurations for ...
A.
Find his glasses.
B.
Sit up straight.
C.
Get enough rest.
D.
Change his tires.
【单选题】线路拨道,线路中心位移不得超过( )。
A.
± 10mm
B.
± 2 0 mm
C.
± 30 mm
D.
± 40 mm
【单选题】' I was wondering if you ______ give me a stamp?' ' I think I' ve got some. Here you are.'
A.
may
B.
might
C.
will
D.
could
【单选题】电气化铁路线路日常拨道,线路中心位移不得超过( )。
A.
±10mm
B.
±20mm
C.
±30mm
D.
±40mm
【单选题】--- Hi, Grandma, why do you look so tired? --- I’m tired. I _______ the cleaning all morning.
A.
did
B.
had done
C.
have been doing
D.
have done
【单选题】听力原文:M: What trouble are you having with your eyes? W: Well, I'm a bit tired and you know I do a lot of reading because of my work and besides our room is in the basement in the Department of English ...
A.
She has a lot of reading assignment.
B.
Her room is not well lit.
C.
The English Department is in a basement.
D.
She lives in a basement and works hard.
【单选题】下列因素中,可产生系统误差的是
A.
称量时未关天平门
B.
砝码稍有被侵蚀
C.
滴定管末端有气泡
D.
滴定管最后一位读数估计不准
【判断题】鱼的繁殖行为单一,鱼是卵生动物。
A.
正确
B.
错误
【单选题】--------You seem to show interest in cooking. -------------_________? On the contrary, I’m tired of it.
A.
Really
B.
Pardon
C.
OK
D.
What
【多选题】下列选项中,关于简化包装所造成的效益背反现象描述正确的包括
A.
保管效率上升
B.
包装强度下降
C.
搬运效率下降
D.
破损率增多
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