固定义齿修复中,倾斜度在什么范围内的牙齿仍可以选作基牙()
A.35°
B.40°
C.30°
D.45°
E.60°
参考答案:C
根据短文内容,判断正(T)误(F)。
Hello! I'm a future robot. My name is Mini. I have two small eyes, a small nose and a very big mouth. I can
read and write, and I can speak Chinese and English. I can play football, basketball and badminton quite well.
And I can sing and dance very well! But I can't run and swim. I always cook the breakfast for my master.
My master is Sally. She is a pretty girl. She plays tennis very well. I love my master very much.
( ) 1. The future robot has two big eyes.
( ) 2. Mini can swim very well.
( ) 3. Sally is a beautiful girl.
( ) 4. Mini always helps Sally to cook the breakfast.
( ) 5. Mini loves his master very much.
上舵杆下端与舵叶之间普遍使用的连接方式是()
A.垂直法兰连接
B.垂直嵌接
C.水平法兰连接
D.B、C均可