29． When it thunders, we always see the light before we hear the sound．______ It’s because

A． our eyes are in front of our ears

B． our eyes are cleverer than our ears

C． our eyes can see but our ears can-t

D．light goes faster than sound

[单选题]Passage TwoWhen we see well, we do not think about our eyes very often. It is only when we cannot see perfectly that we realize how important our eyes are.People who are nearsighted can only see things that are very close to their eyes. Everything el

[单选题]29． Gina’s father _________-to see thrillers．A． likesB． doesn’ t likeC． wantsD． often goes

[单选题]29． When people travel on business(出差) ,they usually take _________ ．A． a train or a planeB． a boat or a trainC．a car or a boat ．D．a plane or a car

[单选题]29．A．watchB．watchingC．watchsD．watches

[单选题]29．A．skateB．swimC．surfD．dance

[单选题]29．A．SinceB．SoC．ThoughD．After

[单选题]29． There was a hole in _________．A． his pocketsB．his left pocketC． his right pocketD．the wall of the garden

[单选题]A．ccording to the passage we can see that Chinese people think of the pig as a ______animal.A． cleverB． richC． goodD． all the above

[单选题]Water, when boiled, always ______ steam.A． gives inB． gives upC． gives offD． gives away

[单选题]We always have a lot of things ________during the voyage.A．doB．doingC．to doD．does