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问题
单项选择题 A1/A2型题
上颌斜面导板矫治器的导板与
平面呈()
A.30°
B.40°
C.45°
D.50°
E.75°
答案
参考答案:
C
填空题
选词填空。
A. Open up B. Hold on C. Put on
D. Take E. close F. Take off
1. It's cloudy.
your raincoat.
2. I have to
the door.
3. It's warm.
your jacket.
4. It's rainy.
your umbrella.
5. The sun is shining.
your sunglasses.
6. It's windy.
to your hat.
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单项选择题
橡胶衬里应采用()施工。
A.缠绕法
B.粘贴法
C.喷射法
D.模压法
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