1 . —What should I do to make a good impression on the employer?
—Keep a ______ attitude and believe yourself.

A．cautious

B．scientific

C．severe

D．positive

2 . To predict what customers will buy can be difficult, and designers and retailers tend to be more_____about the styles of their products.

A．cautious

B．confident

C．careless

D．curious

3 . She doesn’t have much fun staying at home because her mother can be very          at times.

A．cautious

B．demanding

C．cooperative

D．creative

4 . Although she has a lot of problems , she manages to remain _______ .

A．optimistic

B．cautious

C．concerned

D．anxious

5 . 因为摘苹果需要爬树，所以农民们要求我们谨慎小心。
Because picking apples involved climbing trees, the farmers demanded that we___________．

6 . And spending less time feeling_____________ means having more time to be happy, productive and relaxed.

A．anxious

B．cautious

C．excited

D．pleased

7 . 医生在做出如此关键的决定时再谨慎也不为过，因为这对病人来说是生死攸关的问题。(can) （汉译英）

8 . We have no reasons to be ________ about the future now that we are young enough to attempt what we like.

A．optimistic

B．cautious

C．pessimistic

D．positive

9 . He was ________to bank on his parents to help him.

A．sorry

B．astonished

C．reluctant

D．cautious

10 . As an old saying goes, knowledge makes _______;ignorance makes proud.

A．solid

B．cautious

C．influential

D．humble