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【单选题】
采用燃油喷射系统的汽油机比采用化油器的汽油机相比较,以下描述错误的是()
A.
有害物排放量有所提高
B.
加速性能有所提高
C.
动力性有所提高
D.
经济性有所提高
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举一反三
【单选题】— We should adopt ________ methods to deal with some incidents.You know, anything could occur in that situation. — I got it.Thank you for reminding me. [    ]
A.
flexible
B.
typical
C.
positive
D.
concrete
【单选题】植物的呼吸作用中,常把()作为农产品后熟和衰老的分界。
A.
呼吸高峰
B.
产乙烯高峰
C.
呼吸低谷
D.
呼吸商
【单选题】In the author's opinion American firms are not doing anything to deal with the issue of the ageing workforce mainly because______.
A.
they have not been aware of the problem
B.
they are reluctant to hire older workers
C.
they are not sure of what they should do
D.
they have other options to consider
【单选题】关于混凝土保护层的作用下列说法不正确的是
A.
保证钢筋和混凝土之间存在足够的粘结力
B.
防止钢筋锈蚀,提高耐久性
C.
防止在火灾下,钢筋过早软化
D.
保护层的厚度越大易于减小构件裂缝宽度
【单选题】— Is there in today’s magazine? —Yes. Premier Wen Jiabao saw “ stay-home children” May,25 th .
A.
anything special; hundreds of; on
B.
something special; hundred of; at
C.
special anything; hundreds; on
D.
anything special; hundreds of; in
【简答题】. —What do you think we can do for our aged parents? —You __________ do anything except to be with them and be yourself. A.don’t have to B.oughtn’t to C.mustn’t D.can’t
【单选题】I’ve got a bottle of beer, but I haven’t got anything _____ I can open it with.
A.
that
B.
what
C.
where
D.
which
【单选题】45 (单选题)“人固有一死,或重于泰山,或轻于鸿毛。”出自( )
A.
班固《汉书》
B.
范晔《后汉书》
C.
司马迁《史记》
D.
司马光《资治通鉴》
【单选题】肩胛骨: ( )
A.
是不规则骨
B.
外侧角肥厚,有关节盂与肱骨头相关节
C.
喙突上有关节面
D.
肩胛冈的外侧端称肩峰
E.
肩胛骨上角和下角分别平第1和第8肋,是计数肋骨的骨性标志
【单选题】Education is too important to take【C1】______ , when people take anything for seriously, they put【C2】______ blinders which cause them to miss the important aspects of【C3】______ is going on around them....
A.
up
B.
seriously
C.
easily
D.
over
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