题目内容
This kind of medicine ________in a dry and cool place。
A．keep B．kept C．must keep D．must be kept
D
【解析】
试题分析：句意：这种药必须保存在干燥凉爽的地方。结合语境可知本句主语是动作对象，故用被动语态，故选D。
考点：被动语态
点评：此类题型主要是确定句子主语与谓语动词的关系。如果是主动关系则用主动语态，反之如果是动宾关系，则用被动语态。注意一些接不带to的不定式做宾语补足语的动词用作被动语态时，不定式符号to要加上。
In northern China during spring, big sandstorms often make trouble for students and everyone else. When the sky is dark with sand, buses and cars all move much more slowly. Sometimes, people can’t even see for 20 metres.
Sandstorms usually happen in spring. This year, sandstorms started in late March. They have happened in more than 10 provinces (省) in northern China this year. More than 70 million people have had problems in those places because of the sandstorms.
People in southern China don’t have to worry about this kind of bad weather. Most of the sand comes from Gansu and Inner Mongolia（内蒙古）. In northern China, lots of places have few trees and don’t get much rain. People there have been cutting down too many trees. When there aren’t many trees, the ground can’t keep enough water. Over the years, the ground dries up and turns to sand. When spring comes and the ice melts（融化）, the ground becomes looser（更松散的）. Strong winds take the loose sand into the sky.
Sandstorms are bad for people’s health. If people breathe（呼吸） too much sand, they could cough or have asthma（哮喘）.
Sandstorms also give farmers lots of problems. Sometimes their sheep get lost in the storms and never get back home. The winds also tear down farmers’ houses.
What can you do to stop sandstorms? Here’s an idea: Ask you parents to help you plant some trees this spring.
If you see people cutting down too many trees, tell them about the dangers of sandstorms, and ask your government to stop them from cutting.
【小题1】In which season do sandstorms usually happen?
| A．In spring. | B．In summer. | C．In autumn. | D．In winter. |
| A．Fujian Province. | B．Yunnan Province. | C．Jiangsu Province. | D．Gansu Province. |
| A．使……哭泣 | B．弄倒 | C．摧残 | D．加固 |
| A．Health problems. | B．Traffic problems. |
| C．The loss of farm animals. | D．Noise pollution. |
| A．Trees can help keep enough rain water |
| B．More trees need to be planted |
| C．Some people are doing harm to the environment |
| D．Sandstorms are the main cause of asthma |
The word that has changed the world
Apple is one of the most popular fruits in our life, and people eat apples every day. But thereare 11 apples that are especially important to the history of our human beings and they have changed the whole world.
Long long ago when the world just started, apple was a forbidden 12 in the Garden of Eden, however, a girl named Eve stole and ate it. Unfortunately, she was discovered by God, and was driven away 13 the Garden together with a boy called Adam. After they 14 the garden, Adam and Eve had their own babies and 15 the ancestors of all of us. This is the beginning of our world, history 16 morality.*
In the Autumn of 1665, there 17 a young man sitting under an apple tree in his garden. His name was Newton. While he was thinking of one problem, suddenly, an apple dropped down from the tree and fell on his head. 18 this, Newton discovered gravitation* on that day and his new idea of science made people really 19 and happy, also he changed our opinions about nature and the way 20 we think, then people began to 21 what science was at that time.
And today, Jobs Steve, this crazy old man changed the world by his apple products. For example, iPhones 22 be found 23 in the street, young people feel cool when they use this kind of new high-tech* product. Don’t you think 24 apple products have become a symbol of our time? As Jobs Steve often said he was born to change the world and he made it. 25 he has died, people remember him and miss him, because he made our life more colorful and amazing.
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