| As long as we have been on earth, we have used
the sea around us. We take from the ocean and we give (41)
it. We take fish from the ocean — millions of kilograms of fish, every year, to (42) millions of people. We even use (43) bones for fertilizer and meal. We take (44) from the ocean. One way to get salt (45) sea water in a shallow basin and leave it (46) it evaporates. Along with salt, other minerals are left after evaporation — iodine (碘), magnesium(镁), and bromine(溴), to (47) a few. Much gold and silver drift (48) in the waters of the sea, too. But the sea does not (49) them up by simple evaporation. Other gifts from the sea are pearls, sponges(海绵), and seaweed. Pearls become jewelry. (50) sponges become cleaning aids. Seaweed becomes (51) of many kinds — A. Artificial B. Man-made C. Natural D. Unnatural [单项选择]
W: Why don’t we buy a car, dear A. At home. B. On a bus. C. In the bank. [单项选择]We have to subject the redesigned car seat to the test to officially confirm that it is ______ strong.
A. sufficient B. sufficiently C. more sufficient D. most sufficient [填空题]For years we have believed we were either healthy or sick. __51__, during the mid-90s, scientists developed a new concept called “sub-health”, a status __52__ health and illness. The concept of sub-health has become __53__ because it has helped to explain many health problems. __54__ one study, only 5.6% of people in the overall population are actually sick, __55__ the sub-healthy group consists of about 60%, and the __56__ population is considered healthy. __57__ of one’s sub-health will help one to be alert to the underlying disease and remain healthy. Sub-Health is a state in which the body is __58__ turning from health to illness or from illness to health. Our bodies are actively __59__ the conditions of health, sub-health and disease. Factors __60__ aging, internal or external toxicity （毒性）, and body or mind exhaustion may cause sub-health, but taking good care of the body can change a sub-healthy status to a healthy one.
A. A．still B．already C．either D．neither 我来回答: 提交
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