Unit 4 Global warming Grammar课时作业

Ⅰ.单句语法填空

　　1．It's believed that taking a walk after supper is beneficial(benefit) to us.

　　2．Plastic bags take years to break down, so don't just throw them out.

　　3．Only a political solution could put an end to the violence(violent)．

　　4．If everyone in the country knew(know) first aid，many lives would be saved.

　　5．What struck me most in the movie was the father's deep love for his son.

　　6．She told me an incredible(credible) story about his grandmother catching a thief.

　　7．Misunderstandings arising(arise) from lack of social communication may lead to serious problems.

　　8．The terrible storm will probably knock out the electric service of the town.

　　9．Nobody wants to make friends with the boy suspected(suspect) of having stolen money.

　　10．Warned of danger in the street at night, she had to go home with a friend accompanying(accompany) her.

Ⅱ.单句改错

　　1．It's very difficult for his parents to cure him this bad habit.him后加of

　　2．I found my father sitting in his chair, completely absorbing in a magazine.absorbing→absorbed

　　3．You may rely on that he will come to pick you up.that前加it

　　4．The reason why he gave for his coming late is that he wasn't informed of it.why→that/which或去掉why

　　5．Sometimes we can't resist persuaded to buy things we don't really need.persuaded前加being

III.阅读理解

　　A

In the wild, lions, tigers and hyenas (鬣狗) are fierce competitors, all seeking out the same prey(捕获物) and often even stealing each other's kills! But don't tell that to these five youngsters who believe that they were born to be best of friends.