题目内容

53.A suggested measure to be taken to reduce teenagers' driving accidents is that.

A. driving in the presence of an adult should be made a rule
B. they should be prohibited from taking on passengers
C. they should not be allowed to drive after 10 pm
D. the licensing system should be improved

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54. A graduated license is issued to a driver who.

A. is at least a middle school graduate
B. has learned driving at a driving school
C. gains full driving rights step by step
D. has a driving experience long enough

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55. The present situation in about half of the states is that the graduated licensing system .

A. is under discussion
B. is about to be set up
C. has been put into effect
D. has been perfected

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金属基底的厚度，非贵金属至少保证（）mm

A. 0.1mm
B. 0.2mm
C. 0.3mm
D. 0.4mm
E. 0.5mm

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金―瓷结合部应避免设计在

A. 咬合接触区
B. 非咬合接触区
C. 颊侧
D. 舌侧
E. 颈部

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53.A suggested measure to be taken to reduce teenagers' driving accidents is that.

A. driving in the presence of an adult should be made a rule B. they should be prohibited from taking on passengers C. they should not be allowed to drive after 10 pm D. the licensing system should be improved

54. A graduated license is issued to a driver who.

55. The present situation in about half of the states is that the graduated licensing system .

金属基底的厚度，非贵金属至少保证（）mm

金―瓷结合部应避免设计在

A. driving in the presence of an adult should be made a rule
B. they should be prohibited from taking on passengers
C. they should not be allowed to drive after 10 pm
D. the licensing system should be improved