About six ________ people were invited to the meeting.
A.Hundred
B. hundreds
C. hundreds of
When Jim’s mother came in, he _______ his homework.
A. is doing
B. has done
C. was doing
------ Excuse me, _______? -----It’s Sunday.
A. what day is it today
B. what’s the time
C. what’s the date today
_Great Wall is _ longest wall in the world.
A.The, the B. A, a C. The, a
假设你家采取了如下表所示的环保措施，请以“The environmental protection at home”为题写一篇关于你们是如何在家进行环保的短文。100词左右。
The things you do or use | The thing you don’t do or use |
use solar water heater（太阳能热水器） | electric water heater (电热水器) |
use CFLs（节能灯） | light bulbs（电灯泡） |
collect paper and bottles and sell them | throw away paper or bottles |
use cloth bags for shopping | plastic bags |
There are many 1._______ of pollution around us, such as air pollution, light pollution and so on. They are 2._______ to our health in many ways. Air 3._______ can cause sore eyes and breathing problems, especially to 4.______ and old people.
Noise pollution can make people deaf. For example, people may become deaf if they work in 5. _______ conditions for a long time. Loud noises can cause high blood pressure as 6._______ .
7._______ for a long time in strong, changeable light may cause some kinds of illnesses. It makes people8. _______ terrible and is especially bad for the eyes.
Without pollution, our planet will become 9. _______ and our health will be better. Let’s be greener people, shall10. _______ ?
