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【单选题】
急性龋深龋洞不能去净全部腐质，但是牙髓情况良好，无明显症状，则应该首先进行的是A.
安抚
B.
垫底充填
C.
间接盖髓术
D.
直接盖髓术
E.
根管治疗术
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举一反三
【单选题】The writer thinks that teenagers are frightened when they are in charge of themselves because______.
A.
they don't know how to stop a car without brakes
B.
there is no one to ask for help when in trouble
C.
there is no one to guide and discipline them
D.
they are afraid of being left alone
【单选题】D The Cost of Higher Education Individuals (个人) should pay for their higher education. A university education is of huge and direct benefit to the individual. Graduates earn more than non-graduates. M...
A.
taxpayers
B.
pressing calls
C.
college graduates
D.
government resources
【单选题】He holds that education should place more ______ on logic thinking, and education of emotion is of little use.
A.
importance
B.
significance
C.
stress
D.
emphasis
【单选题】It can be inferred that ______.
A.
the writer must have misunderstood the policeman when the latter showed him the way
B.
the policeman must have pointed him a wrong direction
C.
the writer couldn't tell the right from the left
D.
the railway station was the only house in sight
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