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【单选题】
Online shoppers count on free shipping Expect more promotions this holiday season than ever before This month, Kristen Roswell is planning to buy most of her Christmas presents online at her computer. She says one thing that really impresses her is: free shipping/Tree shipping is a huge bonus, 'said the 35-year-old mother. 'l will always choose a retailer that has free shipping when buying something.' According to a study released by Shop.org, an association of online retailers, this holiday season 83 percent of online retailers surveyed plan to provide free shipping promotions. Two years ago, only 64 percent of online retailers offered free shipping. Three-fourths of shoppers surveyed said free shipping offers are one of the most important factors when they decide where to buy online. Consumers are expected to spend as much as $32 billion online this holiday season, up 18 percent from 2005. 'Online retailers see free shipping as a necessary evil during the holidays/'said Ellen Davis, spokeswoman for Shop.org. 'They know it motivates customers.' Retailers also justify free shipping by imposing conditions for the deals, requiring customers to meet certain minimums to get the offer. Consequently people tend to spend more and make unplanned purchases to qualify for free shipping. Most free shipping offers end in mid-December, so people who want to take advantage of the discounts need to shop early, she said. What is one of Kristen Roswell's reasons to buy items online?
A.
Free gifts.
B.
Discount offers.
C.
Convenience.
D.
Free shipping.
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参考答案:
举一反三
【单选题】下列对字符串的定义中,错误的是。
A.
char str[5]= " abcde ";
B.
char str[ ]= " abcde ";
C.
char *str = " abcde ";
D.
char str[ ]={ ' a ' , ' b ' , ' c ' , ' d ' , ' e ' , ' \0 ' } ;
【单选题】哪个国家是世界上第一个合成人工牛胰岛素的国家?()
A.
中国
B.
美国
C.
英国
D.
德国
【单选题】“小姑娘”这个三音节词的轻重格式是( )
A.
中·次轻· 重
B.
中·重·最轻
C.
中·最轻· 重
D.
中·最轻· 最轻
【单选题】下列对字符串的定义中,错误的是
A.
char  str[7] = "FORTRAN";
B.
char  str[] = "FORTRAN";
C.
char  *str = "FORTRAN";
D.
char  str[] = {'F','O','R','T','R','A','N',0};
【简答题】哪个国家是世界上第一个合成人工牛胰岛素的国家?() A中国 B美国 C英国 D德国
【单选题】下列对字符串的定义中, 错误 的是
A.
char  str[] = {'F','O','R','T','R','A','N',0};
B.
char  str[] = "FORTRAN";
C.
char  str[7] = "FORTRAN";
D.
char  *str = "FORTRAN";
【单选题】某产品的零件甲功能评分为6,成本为20元,该产品各零部件功能积分之和为30,产品成本为80元,则零件甲的价值系数为( )。
A.
0.3
B.
0.375
C.
0.8
D.
1.25
【单选题】已知某产品的零件甲功能评分5,成本为20元,该产品各零部件功能积分之和为30,产品成本100元,则零件甲的价值系数为( )。
A.
0.25
B.
0.3
C.
0.833
D.
1.2
【单选题】世界上第一个合成人工牛胰岛素的国家是哪一个?
A.
中国
B.
美国
C.
英国
D.
德国
【判断题】各零部件的价值系数=某零部件的功能评价系数÷该零件的成本系数( )
A.
正确
B.
错误
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