Acupuncture (针灸)is a traditional Chinese medical practice of treating     1    ( variety) physical and mental conditions. It gained respect and interest in the United States after New York Times journalist James Reston     2    ( visit) China with President Nixon and needed an operation. Chinese doctors used acupuncture on Reston after surgery     3    ( reduce) his pain, and his recovery was swift. Curious about this, Reston was allowed to watch surgery on patients     4    received acupuncture for anesthesia (麻醉). Patients talked with their doctors during the operation and then walked back to their rooms     5    their own.

The effectiveness of acupuncture left Reston such a deep     6    (impress) that he wrote a front-page article in the New York Times about his operation upon returning to the United States. “A leading medical specialist     7    ( send) by Premier Chou En-lai removed my appendix (阑尾).I was conscious in     8     whole process. ”

The National Institutes of Health ( NIH) began to sponsor some of their top     9    ( physician) to visit China to investigate acupuncture and its possible functions in western medicine. With years going by, acupuncture has earned     10     (it) a great reputation across the world with magical effect.

Traditional Chinese medicine (TCM) is an ancient health care system in which patients     1     (treat) with natural plant, animal, and mineral remedies (药物). It is believed, for a person to be healthy,     2     yin and yang forces should be in balance. Imbalance causes illness or injury. TCM is about restoring the balance between yin and yang forces in     3     (patient). It has been a major part of traditional Chinese culture and continues to play     4     vital role in medical treatment in China today.

According to the World Health     5     (organize), nearly 80 percent of the world’s population depends for     6     (it) primary health care needs on medicines from plants and animals. This is especially true in countries where traditional Chinese medicines are     7     (wide) used.

Increasingly, however, modern medicines also contain substances     8     animals and plants. Given the growing populations, increasing wealth, and the spreading popularity of natural remedies throughout the world, the demand for these useful medicines and remedies     9     (rise) now. The rising demand,     10     (combine) with reduced habitat, has put a number of plant and animal species used for medicinal purposes at risk for many years.

For instance, TCM uses about 1,000 plant and 36 animal species, including the tiger, rhinoceros (犀牛), and sea horse, which are all in danger.

Are you sometimes a little tired     1     sleepy in the early afternoon? Many people feel this way after lunch. They may think that eating lunch is the cause of the sleepiness. Or, in summer, they may think it is the heat. However, the real reason lies inside their bodies. At that time——about eight hours after     2     (wake) up——your body temperature goes down. This is what makes you slow down and feel sleepy. Scientists have tested sleep habits in experiments in     3     there was no night or day. The people in these experiments almost always     4     (follow) a similar sleeping pattern. They slept for one long period and then for one short period about eight hours     5    .

In many parts of the world, people take naps     6     the middle of the day. This is     7     (especial) true in warmer climates, where the heat makes it difficult     8     (work) in the early afternoon. Researchers are now saying that naps are good for everyone in any climate. A     9     (day) nap gives one a more rested body and mind and therefore is good for health in general. In countries where naps are traditional, people often suffer less from     10     (problem) such as heart disease.

About 1.4 billion people around the world do not get enough physical exercise.This number comes     1    the United Nations' World Health Organization(WHO).A new WHO report warns that a lack of exercise     2    (great)increases the risk of health problems.The WHO says the new study is the first    3     (estimate)physical activity trends around the world over time.The report said the levels of physical inactivity are more than two times as high in     4    (wealth)countries as they are in countries where people earn low wages.In richer countries,people are more likely to spend time     5    （sit)in offices.

How much activity should we get?

To stay healthy,the report     6    (suggest)that people do at least 150 minutes of moderate(适中的）physical activity or 75 minutes of intense physical activity every week.If you work in a high-rise office building,take the stairs instead of an elevator.Take more     7    (break)during the work day and move around.If your workplace offers     8    gym,make sure to use it.It also urges governments to provide and care for infrastructure(基础设施），such as better and    9     (safe)roads.This would help support increased walking     10    cycling for transportation,as well as sports and physical recreation.

【推荐3】The earth was just     1     cloud of dust after the “Big Bang”. The earth exploded loudly with fire and rock.    2     were in time to produce many things, which were to make the earth’s atmosphere. As the earth cooled down, water began to appear on     3    surface. It allowed the earth to dissolve     4    (harm) gases. Then life began to develop.

Small plants multiplied and filled the first oceans and seas with oxygen. This encouraged the     5     (develop) of early shellfish and fish. Land animals such    6    insects, reptiles and dinosaurs appeared after green plants appeared. Small clever animals spread all     7     the earth. They are putting too much carbon dioxide into the atmosphere,     8     prevents heat from escaping from the earth into space.    9    life will continue on the earth for millions of years to come will depend on whether this problem can    10     (solve).