更多"Our bodies depend on sleep to keep "的相关试题:
[填空题]Our bodies depend on sleep to keep a number of delicately balanced systems running smoothly. Without it these systems become subtly off-key, which can eventually lead to more serious consequences. Although the odd broken night never hurt anyone, some sleep experts are now saying that even just an hour of missed sleep, night after night, can cause ill health.
Persistent low-level fatigue is extremely common since insomnia may happen to one in three of us. The cause can lie in surrounding factors, such as an uncomfortable mattress or noisy neighbors. Some insomnia is temporarily caused by stress brought on by a forthcoming special event, such as an exam or pressure at work. How you feel can notoriously affect sleep, too. Anxiety, anger or resentment can all stop us from dropping off and one of prime symptoms of depression is early morning waking.
Sleep apnoea, a common disorder in which lapses in breathing cause a shortage of oxygen which in turn disrupts sleep, may need tr
[填空题]Eating fish and walnuts may help keep our spirits up, because they contains ______.
[简答题]Keep our Language Pure
You are to write in three paragraphs.
In the first paragraph, state the phenomenon of reckless use of foreign names by Chinese producers.
In the second paragraph, state its negative effects.
In the last paragraph, bring what you have written to a natural conclusion with your advice on counter- measures.
You should write about 160 -200 words neatly on ANSWER SHEET 2. (20 points)
[单项选择]We must keep our ______ clean.
A. tooth
B. teeth
C. tooths
[填空题]
Keep Our Seas Clean
A. By the year 2050 it is estimated that the world’s population could have increased to around 12 billion. Of these, some 60 percent will live within 60 km of the sea. The agricultural and industrial activities required to support this population will increase the already significant pressures on fertile coastal areas. Death and disease caused by polluted coastal waters costs the global economy US $12.8 billion a year. Plastic waste kills up to 1 million sea birds, 100,000 sea mammals and countless fish each year.
B. One significant impact of human activity is marine pollution. The most visible and familiar is oil pollution caused by tanker accidents and tank washing at sea, and in addition to the gross visible short-term impacts, severe long-term problems can also result. In the case of the Exxon Valdez which ran onto a shore in Alaska in 1989, biological impacts from the oil spill can still be identified 15
