劳动定额作为一种规定，具有一定的法定规范性，具有一定的（）。
A、随意性和综合性
B、强制性和约束性
C、随意性和规范性
D、强制性和综合性
参考答案：B
句型转换。
1. My house is on Green Street. (就画线部分提问)
________ is _______ house?
2. It's time for lunch. (改同义句)
It's time _______ ________ lunch.
3. Miss Gao is our English teacher. (改同义句)
Miss Gao ________ _______ English.
4. I had a busy weekend . (一般疑问句)
______ you _______ a busy weekend?
5. He is doing his homework now. (用every day 代替now,且改否定句)
He _______ ______ his homework every day.
下颌最大的前伸范围为
A．5mmB．1OmmC．7mmD．9mmE．3mm
