题目内容

Many promising postgraduates are unwilling to pursue a PhD degree because ______.

A. they are not encouraged to be engaged in science
B. industry does not require PhD holders
C. they won’t earn much money after graduation
D. they will face the cost and financial sacrifice

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What examples do people give to support their view that a higher speed limit is still safe

A. The economic benefit.
B. The long roads between the cities in the western part of the country.
C. The currently used turbocharged engine.
D. The current German and Australian policies.

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What does the passage tell us about current insurance policies

A. Only four types of policies still exist today.
B. They cost less than the ones in the Middle Ages.
C. They include features similar to earlier policies.
D. The interest rates are based on early methods of calculation.

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某电子企业芯片生产线建设项目，1999年完成环评。环保局批准建设。2000年7月开工建设，2002年2月企业向环保局提出在原环评批复的污水排放量基础上增加1000t/d污水排放量的申请，并获环保局批准。2003年3月建成并投入试生产。各生产工艺污水中含有氟、氨等污染因子，同时部分污水中含有砷和镍等污染因子。污水来源、处理及流向见下图。在建设项目竣工环境保护验收监测中，对污水总排放口水质监测结果见下表。企业污水排放执行GB 8978—1996表1和表4的二级标准：COD 150mg/L，氨氮25mg/L、总砷0.5mg/L、总镍1.0mg/L、氟化物10mg/L。该企业污水处理及流向示意该企业污水总排口污水监测结果单位：mg/L COD氨氮氟化物总砷总镍第一天16011.015.60.020.0225510.114.40.010.0134518.017.10.010.0145511.315.30.020.01日均值5412.615.60.020.01第二天1528.010.50.010.022459.018.30.020.013559.815.20.010.0146310.820.00.020.01日均值549.416.00.020.01 根据题意，提出该污水处理装置的改进要求。

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What is the advantage of photographing the skies

A. The cost of equipment needed is reduced.
B. Fewer data need to be analyzed.
C. The images can be studied by different astronomers.
D. The natural colors of astronomical objects can be captured.

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Many promising postgraduates are unwilling to pursue a PhD degree because ______.

A. they are not encouraged to be engaged in science B. industry does not require PhD holders C. they won’t earn much money after graduation D. they will face the cost and financial sacrifice

What examples do people give to support their view that a higher speed limit is still safe

What does the passage tell us about current insurance policies

What is the advantage of photographing the skies

A. they are not encouraged to be engaged in science
B. industry does not require PhD holders
C. they won’t earn much money after graduation
D. they will face the cost and financial sacrifice