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【简答题】
只有两个着力点而处于平衡的构件称为()。其受力特点是:所受二力的作用线()。
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举一反三
【单选题】The underlined word 'modified' in Para I means ______.
A.
changed
B.
lessened
C.
modeled
D.
qualified
【单选题】丰田车系采用手工调取故障码时,将点火开关打开,不起动发动机,用专用跨接线跨接故障诊断座上的( )端子,仪表板上的故障指示灯即闪烁输出故障码。
A.
TE1 与 EP
B.
TE1 与 E1
C.
VF1 与 E1
D.
TE2 与 E1
【单选题】What can be inferred from the last paragraph?
A.
Developed countries will employ more qualified professionals from the countries of the South.
B.
If no effective methods are adopted by the countries of the South, brain drain will not stop.
C.
The educational systems in the developed countries are not very efficient.
D.
It is of no use that the developing countries encourage their trained professionals to return.
【单选题】English is a course for anyone in university, ______ his or her major or previous educational qualifications are.
A.
whatever
B.
whether
C.
however
D.
no matter
【单选题】Nowadays people have to pass various tests for professional __________ so that they can be qualif
A.
26．Nowadays people have to pass various tests for professional __________ so that they can be qualified for a well-paid job. A．certificates
B.
permission
C.
admission
D.
Perseverance
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