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问题 选择题

Giving up my job to go back to full­time education was a big ________，but now I know it was the best decision I ever made.                                      (2011·湖北，22)

A．project

B．commitment

C．competition

D．ambition

答案

答案：B

句意为：放弃我的工作并重新接受全日制教育是一个重大的决定，但现在我知道这是我做过的最好决定。project项目；commitment承诺，投入，花费；competition比赛；ambition志向。根据句意可知应选B项。

完形填空

People have strange ideas about food. In the 18th century, people in the USA g　小题1:　      tomatoes, but they never a　　小题2:        them. They thought tomatoes were d　　小题3:     food. People called them poisonous (有毒的) apples.

Thomas Jefferson was a learned president (有学问的总统) and he knew people in Paris enjoyed the nice  t　　小题4:     of tomatoes. He wanted his people to enjoy tomatoes, but  h　　小题5:      could he change their ideas?

Jefferson grew some tomatoes in his garden. And he  t　小题6:　      his cook to cook tomato soup (汤). Then he held a party. There was  p　　 小题7:    of tomato soup on the table. He invited visitors to try the soup. He wasn’t  s　　   小题8:    when he found all of them liked the soup. Of course, he  n　　小题9:       told them they were eating poisonous apples.

Soon  a　　小题10:      that, more and more Americans loved tomatoes.
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单项选择题

某锡矿生产企业2014年5月生产锡矿石200吨，加工成精矿对外出售，已知精矿选矿比是70%，当月销售精矿100吨，则当月应纳的资源税的课税数量为（）吨。

A.100

B.142.86

C.200

D.70
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