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【单选题】
Many students find ________ jobs during their summer holidays to obtain some working experience. [ ]A.
permanent
B.
co mfortable
C.
temporary
D.
stable
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反馈参考答案：
举一反三
【简答题】以下（ ）属于配送中心的功能。
【单选题】Some wild animals _____ and killed at such a speed that they will disappear from the earth in the near future.
A.
hunted
B.
have hunted
C.
are being hunted
D.
had been hunted
【单选题】Passage TwoQuestions 57～61 are based on the following passage. What’s hot for 2007 among the very rich? A ＄7. 3 million diamond ring. A trip to Tanzania to hunt wild animals. Oh, and income inequality...
A.
The fate of the ultrawealthy people.
B.
The disintegration of the middle class.
C.
The inequality in the distribution of wealth.
D.
The conflict between the left and the right wing
【简答题】生态系统也是多样的,如( )生态系统,( )生态系统,( )生态系统,( )生态系统,草地生态系统等。
【简答题】草地生态系统
【单选题】社会系统对草地生态系统也有影响和调节作用,通过社会的财政系统、金融系统、公交通信系统、政策法规系统和()等影响生产经营,都可以对草地生态系统起调控的作用。
A.
教育系统
B.
科研系统
C.
科教系统
D.
市场调配系统
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