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【单选题】
熔化极气体保护焊时,烧穿产生的原因不包括( )。A.
电流太小
B.
电流过大
C.
间隙过大
D.
钝边太薄
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【单选题】John says: “Would you like to join me?”. What does he mean exactly?
A.
John asks Mary to go running with him.
B.
John is asking Mary to have a conversation with him.
C.
John is inviting Mary to discuss sports clothes.
【单选题】Television reporters argue that television can _____ a news event more vividly and completely than newspapers can.
A.
depict
B.
deficit
C.
efficiency
D.
proficiency
【简答题】读图题 请写出以下零件的名称:零件1________、零件19________、零件12________、零件11________、零件17________、零件20________、零件18________、零件3________、零件15________
【单选题】If you are John's friend, what suggestions would you like to give to John?
A.
Break the ice, learn ro respect and understand others.
B.
Never get any exercise.
C.
Shut up.
D.
Never play volleyball, basketball and football.
【单选题】Television reporters argue that television can ______ a news event more vividly and completely than newspapers can.
A.
draft
B.
post
C.
skim
D.
depict
【简答题】某车间有20名工人，每人每天加工甲种零件5件或乙种零件4个，在这20名工人中，派x人加工甲种零件，其余的加工乙种零件，已知加工一个甲种零件可获利润6元，加工一个乙种零件可获利润24元． （1）写出此车间每天所获利润y（元）与x（人）之间的函数表达式； （2）若要使车间每天获利润1260元，问要派多少人加工甲种零件？
【简答题】Television reporters argue that television can d____ a news more vividly and completely than newspapers can.
【简答题】Television reporters argue that television can ______ a news more vividly and completely than newspapers can.
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