—Alice, do you have any plans for this summer holiday?
—I'm not sure. I _________ volunteer to visit the aged at the Old People's Home.
A.can B.must C.may D.need
The computer is used not only to play games but ____a tool for learning.
A. by B. as C. for D. to
The doctors want to rush to Wuhan to save more _________ as quickly as they can.
A.treasure B.strangers C.books D.patients
—I haven't met you for a long time since we left the school. How's it going?
—_________ . Thanks a lot.
A.My pleasure B.Nothing serious C.It doesn't matter D.Pretty good
VII.阅读短文，把A-E五个句子填入文中空缺处，使短文内容完整。
There is an old Spanish saying which goes, "Tomorrow is often the busiest day of the week.1. " I would say, too many. We have to go for them now!
2. Nobody likes to talk about death, but everybody is going to die at one point. None of us knows the hour, or the day. Therefore, today is all we have. Don't go to your tomb with unrealized dreams. Make the decision to go after every dream, big or small right now.
You will be much happier if you go for it. Imagine how happy you will be if you're living the life you always dreamed about. 3. Take control of your own happiness. Don't keep your dreams waiting. Go after them today!
4. When I was nine, I found an ad for selling greeting cards in a children's magazine. I asked my mother to let me send for the cards. Two weeks later when the cards arrived, I rushed from the house. Three hours later, returned home with no card but a lot of money. 5.
A.Take me for example.
B.Tomorrow is not promised.
C.How many times have we put off our dreams until tomorrow?
D.A salesperson was born.
E.The only thing that is stopping you is yourself.
Each of us shares this planet with seven billion others． People and products need to move from city to city and country to country． However， most cars， motorcycles， boats and planes cause air pollution1.This is a serious problem． So inventors are coming up with creative ideas to reduce the pollution and noise．
Motorcycles are a faster and cheaper way to get around a city than cars．2.To solve this problem， a company designed an environmentally friendly motorcycle． It uses electricity so there is no pollution．
3.There are no cars in the city center． Instead of cars， water taxis and buses carry people around the city． However， they cause pollution． English engineers Dick and Jem designed a solar﹣powered water taxi．
Planes also cause air and noise pollution．4.Some airplane companies have started to solve the problems． Swiss engineers have gone one step further．5. This plane holds the world record for the longest solar﹣powered flight﹣1，541 kilometers．
A.They developed a solar airplane．
B.Designing an environmentally friendly airplane is a real challenge．
C.Yet air pollution is a growing problem．
D.They are also noisy．
E.The Italian city of Venice is a city with only a few roads．
