[简答题]Approximately four percent of human body weigh is made up of fat in the organs, A B C skeletal muscles, and central nervous system. D

[单项选择]Statistics showed that approximately 40 percent of all marriages in the United States end in divorce. （）
A. show
B. have shown
C. shows
D. are shown

[单项选择]The human body has developed its millions of nerves to be highly aware of what goes on both inside and outside of it. This helps us adjust to the outside world. Without our nerves and our brain, which is a system of nerves, we couldn’t know what’s happening. But we pay for our sensitivity. We can feel pain when the slightest thing is wrong with any part of our body. The history of torture (折磨) is based on the human body being open to pain.
But there is a way to handle pain. Look at the Indian fakir (苦行僧) who sits on a bed of nails. Fakirs can put a needle fight through an arm, and feel no pain. This ability that some humans have developed to handle pain should give us ideas about how the mind can deal with pain.
The big thing in withstanding pain is our attitude toward it. If the dentist says, "This will hurt a little," it helps us to accept the pain. By staying relaxed, and by treating the pain as an interesting sensation (感觉), we can handle the pain without falling apar
A. stay relaxed
B. avoid pain
C. stand torture
D. feel pain

[填空题]The human body is suitably described as "a highly complex self- generator" because if it is given the right fuel, it is capable of both curing and (1) off diseases, our body can be compared to a matching, if it is not properly looked after, it will become (2) sluggish, or clogged and parts of the mechanism will not be kept in good working order.
In order to function expertly, our body needs carbohydrates, protein, fat, (3) and minerals, coupled with regular exercise. But an excessive intake of carbohydrates should be avoided because they will mostly (4) to fat.
Protein is important for tissue building. The recommended minimum amount the average person needs is (5) grams a day, an excess or a deficiency of which is not advisable as it is indispensable to human growth.
Animal fats, good sources of energy, are sometimes likely to cause increased cholesterol levels in the (6) so people suffering from heart complaints shou

[填空题]The human body is able to protect itself and adjust to challenges of ______.

[填空题]The human body is a remarkable food processor. As an adult, you may consume{{U}} (36) {{/U}}a ton of food per year and still not{{U}} (37) {{/U}}or lose a pound of body weight. You are{{U}} (38) {{/U}}harnessing, and consuming energy through the intricate{{U}} (39) {{/U}}of your body in order to remain in energy balance. To{{U}} (40) {{/U}}a given body weight, your energy input must balance your energy out put. However, sometimes the{{U}} (41) {{/U}}energy balance is upset, and your{{U}} (42) {{/U}}body weight will either fall or{{U}} (43) {{/U}}. The term body image refers to the mental image we have of our own physical appearance, and{{U}} (44) {{/U}}. Research has revealed that about 40 percent of adult men and 55 per cent of adult women are dissatisfied with their current body weight. {{U}} (45) {{/U}}. At the college level, a study found that 85’percent of both male and female first year students desired to change their body weight. {{U}} (46) {{/U}}. Thinn