1 . Local people have been used to ________ seals for centuries and seal fur is often used to _____ warm clothing and shelter.

A．hunting, making	B．hunt; make
C．hunting; make	D．hunt; making

2 . Individuals can make a big difference by r______ (回收利用) used materials, such as glass bottles, plastic bags and used books. (根据中英文提示填空)

3 . As a friend, he is fond of encouraging me to have a try rather than p________(说服) me to give up. （根据中英文提示填空）