联动道岔只有当各组道岔均在规定的位置时,方能构成规定的()。
参考答案:位置表示
写出下列句子的同义句。
1. It's half past six.
It's .
2. What time is it?
____ time?
3. Are you ready for breakfast?
Are you _ ____ breakfast?
4. It's a quarter to seven.
It's ____.
5. There's no time for lunch.
There's no time lunch.
关于石棉状糠疹的治疗,以下方法正确的有()
A.抗生素有效
B.外用药为主
C.角质剥脱剂
D.激素
E.剃发