The writer asserts that the definition of popular art is
A:quite accurate. B:rather elusive. C:fairly clear. D:very dubious.
The author asserts that in the face of excessive amounts of child-care literature, parents are
A:at a loss. B:on the alert. C:under fire. D:in the dark.
She read a poem which depicts the splendor of the sunset.
A:declares B:asserts C:describes D:announces
She read a poem which depicts the splendor of the sunset.（ ）
A:declares B:asserts C:describes D:announces
She read a poem which {{U}}depicts{{/U}} the splendor of the sunset.
A:declares B:asserts C:describes D:announces
? ? ?Many millions of people have
high blood pressure(hypertension 高血压). What’s so frightening about this so
called silent killer is that it often does not produce {{U}}?(51)
?{{/U}}for years, secretly damaging arteries and organs throughout the body
until it erupts (爆发) in the form of stroke, heart attack, congestive heart
failure(充血性尽力衰竭) or kidney disease. {{U}}?(52) ?{{/U}} left untreated,
even mild hypertension can reduce the life expectancy of a 35-year-old
{{U}}?(53) ?{{/U}} several years. (Readings of 140 to 159 over 90 to 99
are mildly high; about 120/80 is normal. )
? ? ?That’s why
high blood pressure is commonly treated with anti-hypertensive drugs. But
studies {{U}}?(54) ?{{/U}} that in some people an increase in calcium(钙)
consumption can help {{U}}?(55) ?{{/U}} blood pressure without
medication(药物治疗)。
? ? ?Calcium also seems to help prevent
high blood pressure. {{U}}?(56) ?{{/U}} the results of 13-year survey
{{U}}?(57) ?{{/U}} by the U.S. National Center for Health Statistics,
James H. Dwyer, associate professor of {{U}}?(58) ?{{/U}} medicine at the
University of Southern California School of Medicine, found that people who
consumed 1300 milligrams of calcium a day were 12 percent {{U}}?(59)
?{{/U}} likely to develop hypertension than those {{U}}?(60) ?{{/U}}
only 300 mg. a day. In people under age 40, risk was reduced by up to 25
percent.
? ? ?Soon doctors may {{U}}?(61) ?{{/U}} some
hypertension patients to increase their calcium intake, {{U}}?(62) ?{{/U}}
the way they now advise sodium(钠) restriction. "It’s {{U}}?(63) ?{{/U}} to
add food or supplements than to go on a low-sodium diet," {{U}}?(64)
?{{/U}} Dr. David McCarron, professor of medicine at Oregon Health Sciences
University. "Our studies show that people who try the low-sodium {{U}}?(65)
?{{/U}} don’t stay with it very long. " |
A:announces B:asserts C:declares D:proposes
She read a poem which {{U}}depicts{{/U}} the splendor of the sunset.
A:declares B:asserts C:announces D:describes
She read a poem which {{U}}depicts{{/U}} the splendor of the sunset.
A:declares B:asserts C:describes D:announces
单选题
