浮沉试验粒级为3～6mm煤样静止分层时间为（）。
A.1～2
B.2～3
C.2～4
D.3～5
参考答案：A
根据句意和首字母提示完成单词。
1. Oh, your sister is w_______ for you on the playground.
2. R_______ to wear your raincoat when you go out. It's raining heavily.
3. My sister doesn't like talking. She's q_______.
4. I can't stand (忍受) the t_______ weather
5. He has a t_______, he should go to see a dentist.
保安员需要具备的能力有（）
A.观察能力
B.侦察破案的能力
C.自卫能力
D.判断能力
E.执法能力
