17._____________18.____________　 19.____________　 　20._______________

Unit 4 Global Warming　 Book 6

Part 1 Vocabulary

13.____________ 14.___________　 15._____________　 16._______________

9.____________　 10.___________　 11.______________　 12._______________

5.____________　 6.____________　 7._______________　 8.________________

1.____________ 　2.­­­­­­­­­­­­­­­­­­­­­­­­­­­­ ____________　 3.______________ 　4.________________

5. _______________________________________________________________?

___________________________________________________________________.

Part 6 Reading: Fill in the blanks after reading the passage according to the letter(s) given.

It is almost known to all that smoking is bad for people’s health. Scientific re__________ show that smoking can l______ to heart disease, ca______ and other problems. The world Health Orga_________ says diseases l_______ to smoking kill at l______ two million five-hundred-thousand persons each year.

Still, many people find it dif______ to stop smoking. One re________ is that smoking usually becomes a hab_______ behaviour, and habits, whether good or bad are not easy to be g______ up. Another reason is the ef______ of nicotine, the substance found in cig________ works on people somewhat as dr______ do.

M_________ have been taken to help people ke____ away from the harm of smoking. In many cities, smoking is forbidden in pu_____ places. The danger of smoking is w_____ of everywhere. And newspapers are asked not to publish adver________ for cigarettes. World “No Tobacco Day” is ob________ every year as the biggest campaign ag________ smoking.

4. ____________________________________________________________?

__________________________________________________________________.

3. _____________________________________________________________?

___________________________________________________________________.

2. _________________________________________________________?

_____________________________________________________________.

1. ________________________________________________________?

_______________________________________________________________