ckboo“tuition increases at cedarville university are deter‘mined by our revenue needs for each year,’’said the university’s president，dr bill brown，“student tuition pays for 78 percent of the university’s operating costs.”brown’s school is a private university that enrolls about 3，1 00 undergrads and is consistently recognized by annual college ranking guides like us news and world report’s and the princeton review’s-----------(47)
tuition at private universities is set by administration officials and then sent for approval to the school’s board of trustees(董事).---------(48)this board oversees(监管)all of a state’s public institutions.
john durham.assistant secretary to the board of trustees at east carolina university(ecu)，explains that state law says that public institutions must make their services available whenever possible to the people of the state for free，durham said that north carolina residents only pay 22 percent of the cost of their education.---------(49)state residents attending ecu pay about us$10,000 for tuition room and board before financial aid.
amid the news about continued increases in college costs，however，there is some good news。tuition increases have been accompanied by roughly equal increases in financial aid at almost every university.to receive financial aid，us students complete a formal application with the federal government.the federal government then decides whether an applicant is eligible(有资格的)for grants or loans--------(50)
a. the state government covers the rest.
b. the application is then sent to the student’s university，where the school itself will decide whether free money will be given to the student and how much.
c. at public universities，however，tuition increases must also be approved by a state education committee，sometimes called the board of governors.
d. the school currently charges us$23，410 a year for tuition.
e. many american people are simply unable to pay the growing cost of food.
f. that’s more than double the rate of inflation.()
第6部分：完形填空(第51～65题j每题1分，共15分)
下面的短文有15处空白，请根据短文内容为每处空白确定1个最佳选项。
breastfeeding can cut cardiovascular(心血管的)risk
breastfeeding can reduce the risk of a heart a attack or stroke later in life and could prevent hundreds of_________ (51)of deaths each year，researchers said on friday.
babies who are breastfed have fewer childhood infections and allergies(过敏)and are less _________(52)to obesity(肥胖).british scientists have now shown that breastfeeding and slow growth in the first weeks and months of life has a protective effect _________ (53) cardiovascular disease.
“diets that promote more rapid growth put babies at risk many years later in_________ (54)of raising their blood pressure，raising their cholesterol(胆固醇)and increasing their tendency to diabetes(糖尿病)and obesity—the_________ (55)main risk factors for stroke and heart at
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