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听力原文：W: Do you know anything about Professor Smith's class?
M: If you are looking for an easy course, forget it. Professor Smith writes the trickiest exams in the department.
Q: What do we learn about Professor Smith?
(17)
A.He is very forgetful.
B.He likes to play tricks.
C.His tests are difficult.
D.It is easy to pass his coursE.

A.Q:
B.He
C.
B.He
D.
C.His
E.
D.It

【参考答案】

C
解析：推理判断题。女士咨询选Mr. Smith的课怎么样，男士说If you are looking fo......

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听力原文： Experts say some farming activities are seriously damaging Earth's environment. Bad farming methods can damage soil, forests and water supplies. They also have caused some plants and animals to disappear.Two groups now say that bad farming methods are threatening the ability of farmers to produce enough food to feed the world population in the futurE.The groups used satellite images, maps and modern equipment to study the effect of agriculture on the environment. The study found that the destruction of soil is widespreaD.Important organic nutrients are being removed from farmlanD.Agriculture uses seventy percent of the freshwater in the world each year. The study found that many farmers are wasting water supplies. In addition, chemicals designed to protect crops may pollute waterways.The report also says as much as thirty percent of the world's forests have been cut down so the land could be used for agriculturE.This has led to a severe loss of wildlife and their environments.(30)A.Soil.B.Human population.C.Forest.D.Water.

A.B.
C.
D.
E.
(30)
A.Soil.
B.Human
F.
C.Forest.

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进度控制应该遵循钓原则有(60)。①工程进度控制的依据是建设工程施工合同所约定的工期目标②发挥经济杠杆的作用，用经济手段对工程进度加以影响和制约③以质量预控为重点，对工程施工全过程实施质量控制④在确保工程质量和安全的原则下，控制工程进度D.①、②、③、④

A.①、②、④
B.①、③、④
C.①、②、③

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