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问题 选择题

受种植面积扩大和天气晴好的影响，2012年北京、河北、山东等地蔬菜迎来了大丰收，少部分地区的“菜篮子”终于进入了“一元时代”。材料表明（  ）

A．价值的降低决定了蔬菜价格的降低

B．此时的蔬菜市场处于卖方市场

C．蔬菜价格受供求关系的影响

D．气候变化是影响蔬菜价格的直接因素

答案

答案：C

题目分析：蔬菜的种植面积扩大导致蔬菜的供给量增加，所以一些地区的“菜篮子”才能进入“一元时代”。所以答案C。

填空题

Part 4


Questions 26-45


·Read the following passage and decide which answer best fits each space.
·For questions 26-45, mark one letter A, B, C or D on the Answer Sheet.
Participation (26) high school sports is not a constitutional right. (27) , it is a privilege, paid for by taxpayers, open to students who promise to (28) certain conduct requirements on and off the field. One of these promises is to (29) from using drugs. Drug use is a serious problem among high school students. Studies show that as many as 500, 000 high school students use muscle-pumping, life-destroying substances such as steroids. Many more use illegal drugs, (30) cause discipline problems and (31) the stage for lifelong (32) .
Drug testing works to (33) and identify use. That is why drug testing is required to compete in the Olympics, the National Collegiate Athletic Association and the National Football League. (34) drug testing was instituted by these organizations, use of performance- (35) drugs has been greatly reduced. We should want (36) in schools.
Indeed, many athletes (37) testing programs, and no wonder. Without testing, athletes have to choose between drug use and a competitive disadvantage (38) the field.
Those who challenge the need for drug testing may be forgetting (39) it is like be an adolescent. Peer pressure is enormous, and one of the few effective counter-weights is the fear of being caught. More importantly, once drug use is (40) , a school can (41) to the student before he or she gets addicted or arrested.
For 25 years, public schools (42) by federal judges and civil libertarians, with results everyone can see. It is time (43) decisions on how to run public schools locally (44) officials. There is nothing unconstitutional about asking those who gain the advantages of school-sponsored athletics to contribute to the safety of other players, the integrity of the game and their own well-being. The Supreme Court should leave these programs (45) .

A．But

B．Rather

C．Therefore

D．Thus
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单项选择题

某施工企业当期主营业务成本为9000万元，期初存货为4000万元，期末存货为 2000万元。

在一定时期内主营业务收入净额与总资产平均余额之间的比率是( )。

A．总资产周转率

B．总资产报酬率

C．营业增长率

D．流动资产周转率
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