各级机关、单位对产生的国家秘密事项，应当按照（）及时确定密级。
A．保密法实施办法
B．保密规章制度
C．国家秘密及其密级具体范围的规定
参考答案：C
手足徐动见于（）。
A.肝豆状核病变
B.脑性瘫痪
C.脑基底节变性
D.脑风湿性病变
E.小儿病变
用所给词的适当形式填空。
1. My little cat always ________ with the ball in the room. (play)
2. My bedroom is on the ________ floor. (one)
3. How many ________ are there in your home? (study)
4. She is ________ to me. (friend)
5. My father goes to the ________ pool every afternoon. (swim)
