1 . Critical reasoning, together with problem-solving, ________ teenagers to make better decisions.

A．prepare	B．prepares
C．is preparing	D．are preparing

2 . Guide books are prepared to suit the convenience of the traveler, ________ routes round a city or a site are often suggested.

A．for which	B．with which
C．for whom	D．with whom

3 . ________ his restless students occupied with an indoor sport on rainy days, James Naismith created basketball.

A．To be kept

B．Kept

C．To keep

D．Keeping

4 . If we continue to________ environmental problems, we will regret it sooner or later.

A．highlight

B．identify

C．ignore

D．prevent

5 . Kenny still remembers the class discussion________the teacher asked students to share what they wanted to be when they grew up.

A．why

B．which

C．that

D．where

6 . Recently, scientists have started a debate on _______the computers will “think” like human in half a century.

A．where

B．whether

C．whose

D．which

7 . In the spring, a season ________ we are learning new rhythms of life，many of us find comfort in the natural world.

A．when

B．where

C．what

D．which

8 . The hero’s touching story ________ online has drawn thousands of “likes” and hundreds of comments from the public.

A．posting	B．to post
C．posted	D．to be posted

9 . It seemed that I had become ________ my parents had wanted me to be.

A．when

B．where

C．what

D．whether

10 . People who value their privacy are concerned about _________Google might do with the information it is gathering.

A．that

B．what

C．why

D．how