试戴时，可采用如下方法判断垂直距离是否正确，除了（）。 A.戴

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问题单项选择题

试戴时，可采用如下方法判断垂直距离是否正确，除了（）。

A.戴入义齿后，是否不敢张口

B.面部比例是否自然协调

C.鼻唇沟，颏唇沟深度是否合适

D.说话时上下牙之间是否有碰击声

E.面容是否苍老

答案

参考答案：A

填空题

根据句意 ,用所给单词的适当形式填空 .

1. Maria tries __________ (drink) milk every morning.

2. Here are some __________(photo) of my family.

3. Billy goes to the beach with his friends three __________ (time) a month.

4. If you want to keep healthy, you should eat a __________ (balance) diet.

5. __________ (read) in bed or in the sun is bad for your eyes.

6. New Year's Day is very important in some __________ (west) countries.

7. It usually takes me about half an hour __________ (walk) to school.

8. Thanks for your __________ (invite). I'd love to go to your birthday party.

9. Teddy has a __________(healthy) lifestyle than the other students in his class.

10. My proper ways of studying English help me get good __________ (grade) in exams.

单项选择题

下列药物中最难通过胎盘的是（）。

A.阿托品

B.加拉碘铵

C.芬太尼

D.琥珀胆碱

E.巴比妥类药