[填空题](S3) According to the author, human body language is mostly __________.

[填空题](S3) According to the author, human body language is mostly __________.

[单项选择]

Passage Three
The human body contains enormous quantities of energy. In fact, the average adult has as much energy stored in fat as a one-ton battery. That energy fuels our everyday activities, but what if those actions could in turn run the electronic devices we rely on Today, innovators around the world are banking on our potential to do just that.
Movement produces kinetic energy (动能), which can be converted into power. In the past, devices that turned human kinetic energy into electricity, such as hand-cranked radios, computers and flashlights, involved a person’s full participation. But a growing field is tapping into our energy without our even noticing it.
Consider, for example, a health club. With every step you take on a treadmill and with every muscle curl, you turn surplus calories into motion that could drive a generator and produce electricity. The energy from one person’s workout may not be much, but 100 people co
A. requires us to be strong
B. is a great new idea
C. proves to be difficult
D. is increasingly popular

[简答题]Following any virus attack, the human body builds up antibodies which confer immunity to that strain of virus, but a virus with the capacity to change its character is able to by-pass this protection.
______

[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