1917年7月1日成立的（）是五四时期出现的历史最久、会员最多、分布最广、分化最明显的（）社团
参考答案：少年中国学会；青年
用a, an, the(不填处用"／"表示)填空
1.This is____eraser and that is____ruler.
2. book is____English book.
3. Is this her ____ baseball?
4. —What color is ____ schoolbag?
—It's yellow.
5. Mike is at____school.
6. ____orange is____orange.
7. Is that your____notebook in____ lost and found case?
8. —What's this?
—It's____ID card.
9. —Is that____watch?
—No,it isn't. It's____set of keys.
10. ____ baseball is white.
定义类中成员变量时，不可能用到的修饰符是( )。
A．final
B．void
C．proteeted
D．static
