题目内容

以下不是光固化复合树脂修复适应证( )

A. 中龋
B. 氟斑牙
C. 前牙间隙过宽
D. 残根

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______every magnet is surrounded by a magnetic field.

A. It is believed that
B. It believes that
C. It believed that
D. It's believing that

______I have made no arrangements to deal with such cases.

A. It appear that
B. That appears
C. They appear that
D. It appears that

______ that the first cheese was probably made more than 4000 years ago by nomadic tribes in Asia.

A. The belief
B. Although they believe
C. It is believed
D. Believing

______to space travelers is high acceleration or deceleration forces.

A. That can be dangerous
B. What can be dangerous
C. They can be dangerous
D. It can be dangerous

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