毁林行为包括()、割漆、剥皮、挖根等行为,应该坚决制止。
A、采花
B、采叶
C、采脂
D、采果
参考答案:C
Mrs Smith warned her daughter ________ after drinking.
A.never to drive
B.to never drive
C.never driving
D.never drive
一般在( )月开始添加捕食,辅食添加期间应保证奶量( )毫升。