深龋患者激发痛较重，洞底软龋能够彻底去净，治疗方法应选择( )
A. 双层垫底，一次完成充填治疗
B. 行牙髓治疗
C. 先做安抚疗法，待1～2周症状消除后再以双层垫底充填
D. 行活髓切断术
E. 拔除患牙
查看答案
Why is Aristotle mentioned in this passage
A. Because people believed in him.
Because the writer does not think Aristotle was right.
C. Because the writer agrees with him.
What is the main idea of this passage
A. True friendship must help each other.
B. True friendship must be unconditional.
C. Friendship can be divided into two types.
Hong Kong dollar can be exchanged (兑换) freely in the international (国际的) money market.
A. Right.
B. Wrong.
C. Doesn't say.
—Mary, John is going to Australia tomorrow. Are you going to ______at the airport tomorrow morning—Certainly.
A. see him away
B. see him off
C. see him out
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