题目内容
-These farmers have been to the United States.
-Really?When ________ there?
- A.will they go
- B.did they go
- C.do they go
- D.have they gone
问句是问他们什么时候去那里的,“去”的动词发生在过去,故本句应用一般过去时.
We have always been warned of the dangers of forest fires. They cause _____ 85 _____ to a forest. They kill many plants and animals in an eco-system, which is a group of living things and their environment. But have you ever heard of a forest fire that can be _____86_____ for a forest? People start some of the fires with a special reason to actually do good to the eco-system.
In fact, fires are a natural part of any eco-system. Without fires, the oldest and largest trees would stop sunlight from reaching the forest floor. Fires can _____87_____ some of these old trees. When the trees die, they provide something good for the earth. New trees can grow strong and healthy in their place.
Some trees even need fires to grow. These trees hold their seeds (种子) inside. Heat from a fire allows the coat of the seeds to open up. Then the seeds fall to the ground and have the _____88____ to grow/
Scientist, who know about nature’s needs, start some of these fires, called controlled burns. A fire is started and kept under control. This way, the fire does not spread out of the area or _____89_____ a after forest fires, they can go hungry _____90_____ their food has been damaged in the fire. Small, controlled fires mean than animals will not have to move far to find food. After some time, small plants begin to grow. Animals return soon after the plants return. This _____91_____ makes an eco-system.
So the next time you hear about a forest fire, think about the good as well as the bad. It may take a new eco-system a while to return, but it will likely come back stronger and healthier than ever.
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Concorde’s Birthday
CONCORDE, the world’s fastest passenger plane, will soon be over 33 years old. It first __1__ on 2 March 1969 in France. Concorde was developed by both France and Britain. From 1956 these two countries had a _2__ of a supersonic passenger plane. In 1962 they started to __3__ together on the project. The plane __4_ over 1.5 billion pounds to develop. It is the most tested plane in the history. It was given over 5000 hours of testing. Concorde flies at twice the speed of _5__. This means that it _6_ only 3 hours 25 minutes to fly between London and New York, compare with 7—8 hours in other passenger jets. Because of the five-hour time difference between the USA and Britain, it is _7__ to travel west on Concorde and arrive in New York before you leave London! You can catch the 10:30a.m. _8__ from London, Heathrow and start work in New York an hour _9_! Concorde is much used by business people and film stars. Each Concorde is built at a cost of 55 million pounds. Twenty have been built so far. Air France and British Airway _10_ the most. They each have seven planes.
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Green tea is the best choice for office workers.
People who always work in places with air conditioning may face skin problems such as easily dry skin. Among all the drinks, green tea is the best choice. Because there are important things in green tea and they are often called catechins(儿茶酚). Moreover, drinking more green tea can prevent computer radiation(辐射).
Winter is the season to drink black tea.
Chinese medicine believes that different people should drink different tea based on the different characteristics and tastes of each kind of tea. Black tea can warm the stomach and quicken digestion(消化). Therefore, drinking warm black tea in the cold winter is a most suitable choice.
Do not drink strong tea.
Strong tea may make the body far too excited and can badly affect the cardiovascular(心血管的) as well as the nervous system(神经系统). For a person who has problem with these parts, to drink overly (过度地) strong tea may cause heart and blood pressure illness, or even make the old illnesses much worse.
Do not drink too much tea when you are eating.
Drinking too much tea or strong thick tea may not be good for taking in many constant elements and trace elements(常量元素和微量元素). Also, people should not drink tea with milk or other milky food.
根据短文内容,选择正确答案。
【小题1】We can read the article in ________.
A.Life and Health | B.Chinese Culture |
C.Fashion Times | D.Sports and Health |
A.Green tea | B.Black tea | C.Strong tea | D.Hot tea |
A.滑稽的 | B.惊人的 | C.可能的 | D.合适的 |
A.skin problems | B.heart disease | C.headache | D.stomachache |
A.If you have a stomachache, you should drink black tea. |
B.Strong tea may make the body far too excited. |
C.When we choose tea, we should know the characteristic and tastes of each kind of tea. |
D.At tables, we should drink tea as much as possible because it’s good for our health. |
— Our teacher told us that these exercises were __________.
— Really?
A.far more easy |
B.much easier |
C.even more easy |
D.so easier |