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【判断题】
管材挤出装置由挤出机、 机头口模、定型装置、冷却水槽、牵引及切割装置等组成,其中挤出机的机头口模和定型装置是管材挤出的关键部件。A.
正确
B.
错误
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举一反三
【单选题】The _________ is the item you can carry with you in the airplane.
A.
check-in
B.
check-up
C.
carry-on
D.
carry-up
【单选题】The most important advantage the North had over the South in the Civil War was its()superiority.
A.
industrial
B.
agricultural
C.
economical
D.
military
【单选题】He ______ a great deal in the old days.
A.
was suffered
B.
had been suffered
C.
suffered
D.
had suffered
【单选题】毛泽东在( )一文中,总结了中国革命两次胜利和两次失败的经验教训,揭示了中国革命发展的客观规律,把统一战线、武装斗争、党的建设比作党在中国革命中战胜敌人的三个主要的法宝。
A.
《战争和战略问题》
B.
《新民主主义论》
C.
《〈共产党人〉发刊词》
D.
《改造我们的学习》
【单选题】What was the similarity between the Roman and African way of communication?
A.
People had to shout.
B.
People could send complicated messages.
C.
The messages could be sent out over a long distance within a time.
D.
Both of the ways relied on messages in the form. of sound.
【单选题】Had Michelle not anticipated the supply shortage and put in an early order, the company surely ______ the contract.
A.
would have forfeited
B.
would forfeit
C.
had forfeited
D.
forfeits
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