患者，女，50岁。因牙周病拔除已3个月余，余留牙正常。可摘局部

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问题单项选择题

患者，女，50岁。因牙周病拔除已3个月余，余留牙正常。可摘局部义齿修复时，两侧基牙同位体应采用（）

A．联合卡环

B．对半卡环

C．延伸卡环

D．RPI卡环

E．三臂卡环

答案

参考答案：D

听力题

根据下列句子及所给汉语注释，在答题卡上标有题号的横线上，写出空缺处各单词的正确形式．每空只写一词．

1. Simon hates to be like others, so he always does everything ____▲____ (不同).

2. Making a lot of noise and______▲________(打扰)others are impolite．

3. Do you have any ______▲______(困难) with your studies these days?

4. —Who is Daniel ______▲_______(争论) with? —His best friend, Simon.

5. His mother is much _____▲______ ( 严格的 ) with him than his father.

6. They are wet all over ____▲______(可能)because of the heavy rain.

7. He wanted to join the club，but was____▲____(拒绝)．

8. My penfriend in the USA hasn’t ___▲_____ (答复) to my last three e-mails yet.

9. My twin brothers ____▲_______(更喜欢) to walk to school when they were in high school.

10. You shouldn’t leave a child ▲ (单独)in the house．

名词解释

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