1 . Da Shan is a Canadian, but he can speak Chinese as f_____as a native Chinese.

2 . Nobody else in his class can speak English as f__________ as he.

3 . According to a review of evidence in a medical journal, runners live three years __________(long) than non-runners.（所给词的适当形式填空）

4 . - Who writes          in your class?
-Kate does, of course.

A．more carefully

B．the most careful

C．the most carefully

D．more careful

5 . 语法填空
1. There could be an even ______ (high) cost on your health.
2. According to a review of evidence in a medical journal, runners live three years ______(long) than non-runners.
3. As （a）result, people will eat more food to try to make up for that something missing. Even ______ (bad), the amount of fast food that people eat goes up.

6 . —It’s getting dark, but Mr. Chen is still at his office.
—No surprise. Who else can work as _______(hard) as him?

7 . His first book is of great use for our course. But his latest one is ____ worth reading.

A．better

B．more

C．much

D．very

8 . — Who’s your favorite basketball player in China?
— Yao Ming, of course. No one plays _____ .

A．better

B．best

C．good

D．well

9 . He speaks English well indeed, but of course not ______ a native speaker.

A．as fluent as	B．more fluent than
C．so fluently as	D．much fluently than

10 . Work gets done __________ when people do it together and the rewards are higher too.

A．easily

B．very easy

C．more easily

D．easier