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【单选题】
影响刀具扩散磨损的最主要原因是切削( )。A.
工件材料
B.
切削速度
C.
切削温度
D.
刀具角度
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【简答题】胰岛是胰的( )部,可分泌( ),主要调节( ),分泌不足可引起( )。
【单选题】Parents are advised to take pressure ______ a child and give him some encouragement before an exam.
A.
off
B.
out
C.
away
D.
over
【单选题】It is suggested in the passage that ______.
A.
Bums had lived near the country before he went to Edinburgh
B.
Bums would give up writing poems forever because of the disappointing experiences in Edinburgh
C.
Bums felt at great ease when he remained on the land than when he lived in the capital
D.
Bums would surely change his life style. after his second trip to Edinburgh
【单选题】Li Wen has a sister ,but his parents hope to have child.So there are three in Li Wen`s family.
A.
other, children
B.
another , childs
C.
the other, children
D.
another, children
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