题目内容
根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项是多余选项。
There are some injuries that are common to all types of extreme sports. The following are some of the important things to do to prevent extreme sports injuries 71 But , they can definitely minimize the risk of injuries .
Warm up.
72 They include a combination of cardiovascular ( 心脑血管的 ) exercises , strength drills and stretching . Cardiovascular exercises increase body temperature, heart rate and blood circulation, which is required for further movement of the body, Strength drills increase the stamina(耐力)of the body, while stretching warms up the muscles preparing them for sudden forceful movements. 73 It also plays an important role in boosting the team spirit for a team sport. A warm-up session should last for at least 20 minutes and it can extend up to half an hour.
Avoid overworking.
There are some people who do not exercise their body for the sport on a regular basis and perform a week’s task in a day or two. 74 They do not realize the effect of overworking during the performance and keep doing it until they feel extremely tired. Apart from the actual sport, one should also avoid overdoing the warm-up exercises before the activity.
75
Just as warming up is essential before any rigorous physical activity, cooling down the body after playing a rigorous sport is also a significant part of physical conditioning. When you are done with your sports session, you can conclude with some walking, jogging or light running. Slight stretching exercises, focusing on specific muscles, will also be useful for cooling down the body.
ACool yourself down.
BLook for a coach to train you.
CThese people are likely to suffer from extreme sport injuries.
DHowever, there are no perfect methods which can assure you 100% safety.
EAlong with physical preparation, warming up prepares you mentally to begin a sport.
FYou should also be careful about your clothing selection for warmth and protection.
GWarm-up exercises are very important before you before you begin any sports practice.
DGECA
第二节(共5小题;每小题2分,满分10分)
根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
In 1990 a report was published about what the earth might be like 20 years from then on. 71 According to the report,the picture of the earth in the year 2010 is not a pleasant one. 72 The population could be as large as 6300 million,almost 2150 million more than in 1985.More people would move into cities ,especially cities in developing countries.Cities like Cairo and Jakarta probably would each have 15 million by then.
73 Farmers will grow 90% more food than they did in 1985,but most of the increase would be in countries that already produce enough food for their people. 74 Poor farming ways are destroying large areas of crop land,changing farms into deserts.More farmland is lost as cities become larger and more houses are built.Air pollution will get worse as industrial countries burn more coal and oil.Many of the world's forests could disappear as more and more trees are cut down.Energy will continue to be a serious problem. 75 They only workde out the situation that exists today.By changing the situation,by settling the problems,the picture can be changed.There is still time for the nations of the world to work out a plan of action.But they warned that waiting too long to make de cisions would greatly reduce the chances of success.
A.Food production will increase,but not enough to feed all the people. |
B.The report was a result of a three - year study. |
C.Later on,more reports came out one by one. |
D.The world will be more crowded because the population will continue to grow. |
E.Experts believe enough food will be produced in developing countries very soon.
F.The experts say their picture of the earth for the year 2010 may be wrong.
G.Little increase is expected in South Asia,Africa and the Middle East.