题目内容
（请给出正确答案）
A．They take some time to develop a liking for them.
B．They make comparisons with other new products.
C．They need some persuasion to purchase them.
D．They consider cost an important feature.
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（由简答题聘请的专业题库老师提供的解答）
更多“According to the information in the second paragraph, how do customers approach new produc”相关的问题
According to Brooks Jackson，all campaign slogans are
A. attractive．
B. impressive．
C. informative．
D. deceptive．
According to the passage, sloppy writing ______.
A．parallels a social tendency of being informal
B．worries students as well as professors
C．is taken as trivial by employers
D．is ignored in all business concerned sciences
Which statement is true according to the passage？
A．Human beings' activities may not be influenced by the shift of a day.
B．When you fall asleep at night, your temperature may lower to bottom point.
C．Human beings' hormones may keep a steady secretion amount all day longer.
D．If you sleep at daytime, your biological clock can operate better.
Which of the following might be true according to C. P. Snow？
A．Humanities had a larger influence than sciences at the time.
B．Sciences and humanities needed to develop separately.
C．Scientists should be literary intellectuals at the same time.
D．Poverty and inequality could only be eliminated by sci-tech.
Hepatitis (肝炎) means "inflammation (发火) of the liver", and its
most common cause is infected with one of 5 viruses, called hepatitis 【S1】______
A, B, C, D, and E. All of these viruses can cause an acute disease with
symptoms lasting several weeks including yellowing of the skin and
eyes, dark urine, extreme fatigue, vomiting and abdominal pain. It can
take several months for a year to feel fit again. 【S2】______
Hepatitis C (HCV) is the most prevalent liver disease in the world.
The World Health Organization consider Hepatitis C an epidemic. 【S3】______
Because Hepatitis C can infect a patient for decades after being 【S4】______
discovered, it is often called the "silent" epidemic. According to the
Center for Disease Control (CDC), 20-30% of people with chronic
Hepatitis C will eventually face life-threatened symptoms. 【S5】______
Currently, it is estimated there are about 270 to 300 million people
worldwide who are infected with HCV, 4 million of who are in the 【S6】______
United States. The prevalence seems to be high in Eastern Europe than 【S7】______
in Western Europe. In industrialized countries, HCV accounts of 20% 【S8】______
of cases of acute hepatitis, 70% of cases of chronic hepatitis, 40%
of cases of end-stage cirrhosis (硬化), 60% of cases of liver cancer
and 30-40% of liver transplants. The incidence of new symptomatic
infections of HCV have been estimated to be 13 cases out of 100,000 【S9】______
people annually. For every one person that is infected with the AIDS
virus, there are more than four infected with HCV. The CDC (Center
for Disease Control) estimates that there arc up to 26,000 new HCV
infections in the U.S. every year, and for that Hepatitis C causes 10,000 【S10】______
to 12,000 deaths each year.
【S1】
A.syms x;f=2/1+x^2;int(f,x, -inf ,+inf)
B.syms x;f=2/(1+x^2);int(f,x, -inf ,+inf)
C.syms x;f=2/(1+x^2);int(f,x, +inf ,-inf)
D.syms x;f= 2\(1+x^2);int(f,x, -inf ,+inf)
A.limit(x/e(2x),x,inf)
B.syms x;limit(x/e(2*x),x,inf)
C.limit(x/exp(2x),x,inf)
D.syms x;limit(x/exp(2*x),x,inf)
A.syms x;f=1/1+x^2;int(f,x, -inf ,+inf)
B.syms x;f=1/(1+x^2);int(f,x, -inf ,+inf)
C.syms x;f=1/(1+x^2);int(f,x, +inf ,-inf)
D.syms x;f= 1\(1+x^2);int(f,x, -inf ,+inf)
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