[填空题]It can be easier to change our diet a lot than to change it a little.

[填空题]It can be easier to change our diet a lot than to change it a little.

[单项选择]We can achieve a lot when we learn to let our differences unite , rather than （） us.
A. divide
B. reject
C. control
D. abandon

[单项选择]Normally a well-mixed diet can supply the vitamins necessary for a healthy body.
A. 正常情况下如果饮食搭配合理，就可提供维持人体健康必需的各种维生素。
B. 健康人体内的维生素都是由一般的搭配合理的饮食提供的。
C. 一般的搭配合理的饮食都可保证对人体健康所需的各种维生素的供给。
D. 一般的搭配合理的饮食和充足的维生索供应是维护身体健康必需的。

[简答题]Our life is nothing more than our time. To kill time is therefore a form of suicide. We are shocked when we think of death, and we spare no pains, no trouble, and no expense to preserve life. But we are too often indifferent to the loss of an hour or of a day, forgetting that our life is the sum total of the days and of the hours we live. A day or an hour wasted is therefore so much life forfeited. Our life is a brief span measuring some seventy or eighty years in all. But nearly one third of this has to be spent in sleep; some years have to be spent over our meals; some in making journeys on land and voyages by sea; some in merrymaking; some in watching over the sickbeds of our nearest and dearest relatives. Now if all these years were to be reduced from the term over which our life extends, we shall find about twenty or thirty years at our disposal for active work. Whoever remembers this can never willingly waste a single moment of his life.

[填空题]When we are trying to change our diet, we usually will be anxious because we are nervous about ______.

[单项选择]Less than a year ago, a new generation of diet pills seemed to offer the long-sought answer to our chronic weight problems. Hundreds of thousands of pound-conscious Americans had discovered that a drug combination known as "fen-phen" could shut off voracious appetites like magic, and the FDA had just approved a new drug, Redux, that did the same with fewer side effects. Redux would attract hundreds of thousands of new pill poppers within a few months.
But now the diet drug revolution is facing a backlash. Some of the nation’s largest HMOs, including Aetna U.S. Healthcare and Prudential Healthcare, have begun cutting back or eliminating reimbursement for both pills. Diet chains like Jenny Craig and Nutri System are backing away from them too. Several states, meanwhile, have restricted the use of fen-phen. Last week the Florida legislature banned new prescriptions entirely and called on doctors to wean current patients from the drug within 30 days; it also put a 90-day limit on Re
A. pill distributors
B. pill manufacturers
C. pill promoters
D. pill takers and abusers