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【单选题】
在讨论发动机电喷系统时,甲说在电喷系统中,若燃油压力高于正常值,则导致稀空燃比;在电喷系统中,若燃油压力高于正常值,则导致浓空燃比。试问__正确?A.
甲正确
B.
乙正确
C.
两人均正确
D.
两人均不正确
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【单选题】—Could you please help me with this problem? —Certainly. First of all, let's __________ the problem and see what went wrong. [ ]
A.
analyse
B.
examine
C.
inspect
D.
survey
【单选题】Would you mind waiting for me at the gate? ________
A.
Sure.
B.
Certainly.
C.
Not at all.
D.
Yes.
【单选题】He certainly looked the part all right, he thought as he ______ himself in the mirror.
A.
looked
B.
showed
C.
admired
D.
enjoyed
【单选题】The boy broke all the glasses on purpose; he certainly deserved________.
A.
to punish
B.
being punished
C.
to be punished
D.
punish
【单选题】Certainly no creature in the sea is odder than the common sea cucumber. All living creature, especially human beings, have their peculiarities, but everything about the little sea cucumber seems unusu...
A.
h helps them to digest their food.
B.
It helps them to protect themselves from danger.
C.
It makes it easier for them to move through the mud.
D.
It makes them attractive to fish.
【单选题】Certainly no creature in the sea is odder than the common sea cucumber. All living creatures, especially human beings, have their peculiarities, but everything about the little sea cucumber seems unus...
A.
the reason for the sea cucumber's name.
B.
what makes the sea cucumber unusual.
C.
how to identify the sea cucumber.
D.
places where the sea cucumber can be.
【单选题】在word2003编辑状态下,若要将另一文档的内容全部添加在当前文档插入点处,应该选择的操作是( )。
A.
单击“文件”—“打开”
B.
单击“文件”—“新建”
C.
单击“插入”—“文件”
D.
单击“插入”— “超级链接”
【单选题】There has certainly been a rise in enquiries______the law, and its from people of all walks of life.
A.
in addition to
B.
in relation to
C.
in view of
D.
in spite of
【单选题】As is known to all, _______ strong and powerful China will certainly benefit _____ whole world.
A.
a; a
B.
the; a
C.
the; the
D.
a; the
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