问题 选择题
关于加速度,下列说法中正确的是(   )

A.物体的加速度很大时,速度变化一定很快

B.物体的加速度减小时,速度也一定减小

C.物体的加速度很大时,速度一定很大

D.物体的速度为零时,加速度一定为零

答案

答案:A

完形填空

A green life sometimes just needs a good idea like sharing cars.It’s a new way of thinking.You can use a car but you don’t need to own it Now the idea of “car sharing” has become       in many countries.

As we know ,most cars       in garages for much time.In fact,we drive our own cars          one or two hours a day on average(平均).    When we don’t use them,we have to pay for parking and        things.That costs too much money.To       money,some people come up with the idea of “car sharing”.If we share a car, we’ll only        when we use it.

Now many people are starting to do car sharing.In Switzerland,almost 40,000 people have          it.Japan is also trying to make       popular around the country.

Car sharing is the beginning of a new idea in      .It is also very nice for us to travel everywhere    buying a car.Do you love to share a car with others?                                                                         

小题1:A.popular            B.interesting         C.funny          

小题2:A.are washed         B.are driven         C.are parked      

小题3:A.as far as            B.as long as          C.as much as      

小题4:A.the other           B.others             C.other        

小题5:A.make              B.save              C.find            

小题6:A.spend              B.cost              C.pay

小题7:A.joined             B.covered            C.take part

小题8:A.time saving         B.money saving       C.car sharing   

小题9:A.fashion           B.transportation       C. the world

小题10:A.without          B.with              C.by 

单项选择题