(Everyone lives by selling something. In the light of this statement), teachers live by selling knowledge, philosophers by selling wisdom and priests by selling comfort.

A green drink. There are many in ChinA.

未知题型A green drink. There are many in Chin

2010年，金庸获得剑桥大学文学博士学位。 A、正确 B、错误

单项选择题2010年，金庸获得剑桥大学文学博士学位。
A、正确
B、错误

下面哪个几个型式机械是喷雾机械。A、背负式喷雾机械B、喷杆式喷雾机械C、果园风送式喷雾机械D、航空植保喷雾机械

多项选择题下面哪个几个型式机械是喷雾机械。A、背负式喷雾机械B、喷杆式喷雾机械C、果园风送式喷雾机械D、航空植保喷雾机械