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【单选题】
重联阀其连接管路包括作用管、平均管、( )及制动缸管。A.
总风管
B.
总风联管
C.
中均管
D.
制动管
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反馈参考答案：
举一反三
【单选题】— We had ________ really cold February this year. －I can’t remember ________ spring when it snowed in Changzhou .
A.
a; 不填
B.
不填; the
C.
the; a
D.
a; a
【单选题】— Are you still going to Shanghai for the Spring Festival? — Yes, but I really _____ because I have a lot of things to deal with.
A.
can’t
B.
mustn’t
C.
won’t
D.
shouldn’t
【单选题】— How was your Spring Festival Holiday in Hainan? — Really wonderful! I have never had _____ one before. [ ]
A.
a very pleasant
B.
a more pleasant
C.
a most pleasant
D.
so a pleasant
【单选题】---- Li Yuchun is said to have been invited to 2014 CCTV Spring Festival Show. ---- Really? It’s been a long time ___________ she won the champion in Super Girl in 2005.
A.
since
B.
that
C.
when
D.
before
【单选题】The spring outing really relaxed us a lot. That is its value lies
A.
what
B.
where
C.
how
D.
why
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