【判断题】【消耗次数：1】
柱塞的行程是由驱动凸轮的轮廓曲线的最大齿径决定的，在整个柱塞上移的行程中，喷油泵都供油
①
正确
②
错误
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随机题目
【单选题】
David,nicetomeetyou.Ihaveheardalotaboutyou.-______________________________________.
①
Whathaveyouheardaboutme?
②
Whatdoyouknowmeabout?
③
Tellmeaboutyourself.
④
Nicetomeetyou.
【单选题】
--Doyouthinkthefootballplayersplayedverywelllastnight?--__________.
①
Theywerenotnervousatall
②
Theywerestillyoung
③
Theyplayednaturally
④
Theycouldn’thavedonebetter
【单选题】
—Excuseme,doyoumindifIsmoke?—_______________________.
①
Yes,ofcourse.
②
Yes,please
③
Notatall.
④
No,pleasedon’t.
【单选题】
----Let’sgotoamovieafterwork,OK?-----________________________
①
Notatall．
②
Whynot?
③
Nevermind．
④
Whatisit?
【单选题】
There____alotoftrafficatthistimeofday,soyoudbetter____morecareful.
①
has;be
②
have;been
③
is;be
④
are;are
【单选题】
--Whatmakesyouthinkthatwewillgiveupourgoal?--_______.
①
Becauseyouarealonedoingyourjob
②
Ithinkthingsaredifferentfromwhatusedtobe
③
Yourbehaviorseemstoindicatethat
④
ThecommentonyourrecentspeechatRainsFordsUniversity
【单选题】
ThedestructiveearthquakeinSichuanProvinceonMay12rockedand_______thewholeworld.
①
shocked
②
moved
③
surprised
④
affected
【单选题】
Youarelate.Ifyou____afewminutesearlier,you_____himhere.
①
came,wouldmeet
②
hadcome,wouldhavemet
③
come,willmeet
④
hadcome,wouldmeet
【单选题】
---DoyouknowJimquarreledwithhisbrotherthismorning?--Idon’tknow,______.
①
nordon’tIcare
②
nordoIcare
③
Idon’tcareneither
④
Idon’tcarealso