根据下列句子及所给汉语注释，在空缺处写出各单词的正确形式（每空一词）。 Ningxia has some fantastic sights, ___________ (包括) the Sand Lake and Shapotou.
If I had a million dollars, I’d give it to ____________ (医学的) research.
You’d better have a first-aid book on a nearby ____________ (书架) in your home.
Doctors say that the risk of cancer can ___________ (增加) by eating burnt food.
I don’t think students should be ____________ (允许) to bring mobile phones to school.
综合填空
根据短文和所给首字母写出所缺单词，使短文完整，意思通顺、连贯
Do you know something about tree rings (年轮)? Do you know they can tell us what the weather was l_____, sometimes even hundreds of years ago?
A tree will grow well in a climate with lots of sunshine and rainfall. And l____ sunshine or rainfall will limit (限制) the growth of a tree. We can see the change of climate by studying the tree rings. For e___
___, to find out the weather of ten years ago, count the rings of a tree from o___
___ to the inside. If the t__
___ ring is far from the eleventh ring, then we are sure that it was sunny and rainy most of that year. If it is near to the eleventh ring, then the climate that year was bad.
Tree rings are i______ not only for studying the history of weather but also for studying the history of man. Long long ago there lived a lot of people at a place in New Mexico. But now you can find only s__
___ there—no trees and no people. What h____
___?
A scientist studied the rings of d_____ trees there. He found that the people had to leave b__
___ they had cut down all trees to make fires and buildings. As all trees had gone, the people there had to move.
Have you (do) anything to keep the water clean?
Project Hope has built schools and (library).
Our city (change) a lot since 2001.
The girl left the classroom without (say) anything?
All of us want to know how (play) computer games.
The woman has studied English s 1990.
—Have you heard a Lei Feng?— Yes,of course.
The plane has a in Tianjin already.
In fact,since 1989 (工程)Hope has built schools all over China.
How long has Lingling (认识)Sally?
—What she (do) last Sunday?
—She(listen)to the radio.—you (return) the book to the library yet?
—Yes,I .I(return)it yesterday afternoon.The book(be) very interesting.—Where is my friend?you (see) her?
—Yes,I her three minutes ago.But she(go) to the post office.I think she(be) back soon.What do you think Li Ping(do) right now?
—you (have) your supper?—Yes,I have.
The girl (go) to visit the city if it (not rain) tomorrow.
Don’t forget (close) the door when you leave home.
Many girls are good at(make) things.
A:Mum,I’ve lost my art book.Have you it anywhere?
B:Is it the book a red cover?
A:Yes,that’s ! Where did you
it?
B:Sorry,I seen it
.
you tried to look
it under your bed? Maybe you dropped(丢) it there.
A:Oh!Here it.
goodness!
B:You shouldmore careful from now on.
A:Yes,it won’t happen(发生).