20、In most parts of the world，many students help their schools make less pollution(污染)． They join “environment clubs” (环境俱乐部)．In an environment club，people work together to make our environment clean．

     Here are some things students often do．

l         No—garbage(垃圾)lunches．How much do you throw away after lunch? Environment

clubs ask students to bring their lunches in bags that can be used again．Every week they will choose the classes that make the least garbage and report them to the whole school!

l         No—car day．On a no—car day，nobody comes to school in a car—not the students and not the teachers! Cars give pollution to our air，so remember：

       Walk，jump，bike or run．

       Use your legs! It’s lots of fun!

l            Turn off the water! Did you know that some toilets can waste(浪费)twenty to forty m³ of water an hour? In a year，that would fill a small river! In environment clubs，students mend those broken toilets

We love our environment．Let’s work together to make it clean．

1．Environment clubs ask students___________．

A．not to throw away lunch bags                      B．to take exercise every day

C．not to forget to take cars                                D．to run to school every day

2．From the passage we know the students usually have lunch___________．

A．at school                 B．in shops               C．in clubs           D．at home

3．On a no—car day，___________will take a ear to schoo1．

A．both students and teachers                           B．only students

C．neither students nor teachers                           D．only teachers

4．After students mend toilets，they save．

A．a small river              B．a club                  C．a lot of water          D．a toilet

5．The writer wrote the passage to ask students to___________．

A．clean schools                                              B．make less pollution

C．join clubs                                                      D．help teachers

17、——When _______you _______ back home? 

——Next Saturday afternoon．

A．do…get               B．have…got            C．are…getting           D．did…get

16、Look，Mary _______a newspaper in the classroom.

A．is reading              B．reads                   C．read                       D．has read

15、It is a pity that the activity will come to _______soon．

A．end                     B．an end                 C．the end                  D．ends

14、Jack won’t come _______he _______ free tomorrow．

A．if；won’t be          B．if；is                   C．unless；will be       D．unless；is

13、——There are few people in the street at midnight，_______?

——Yes，so you’d better go home before 10 o’clock

A．are there              B．aren’t there         C．are they            D．aren’t they