As the railroads and the highways shaped

题型:阅读理解

问题:

As the railroads and the highways shaped the American West in the past centuries, a new electrical generating(发电)and transmission (输送) system for the 21st century will leave a lasting mark on the West, for better or worse. Much of the real significance of railroads and highways is not in their direct physical effect on the scenery, but in the ways that they affect the surrounding community. The same is true of big solar plants and the power lines that will be laid down to move electricity around.

The 19 th century saw land grants(政府拨地) offered to railroad companies to build the transcontinental railroads, leaving public land in between privately owned land. In much of the West, some of the railroad sections were developed while others remained undeveloped, and in both cases the landownership has presented unique challenges to land management. With the completion of the interstate highway system, many of the small towns, which sprang up as railway stops and developed well, have lost their lifeblood and died.

Big solar plants and their power lines will also have effects far beyond their direct footprint in the West. This is not an argument against building them. We need alternative energy badly, and to really take advantage of it we need to be able to move electricity around far more readily than we can now.

So trade-offs will have to be made. Some scenic spots will be sacrificed. Some species(物种) will be forced to move, or will be carefully moved to special accommodations. Deals will be struck to reduce the immediate effects.

The lasting effects of these trade-offs are another matter. The 21st century development of the American West as an ideal place for alternative energy is going to throw off a lot of power and money in the region. There are chances for that power and money to do a lot of good. But it is just as likely that they will be spent wastefully and will leave new problems behind, just like the railroads and the highways.

The money set aside in negotiated trade-offs and the institutions that control it will shape the West far beyond the immediate footprint of power plants and transmission lines. So let’s remember the effects of the railroads and the highways as we construct these new power plants in the West.

小题1:What was the problem caused by the construction of the railways?

A.Small towns along the railways became abandoned.

B.Land in the West was hard to manage.

C.Some railroad stops remained underused.

D.Land grants went into private hands.小题2:What is the major concern in the development of alternative energy according to the last two paragraphs?

A.The use of money and power.

B.The transmission of power.

C.The conservation of solar energy.

D.The selection of an ideal place.小题3:What is the author’s attitude towards building solar plants?

A.Disapproving.

B.Approving.

C.Doubtful.

D.Cautious.小题4:Which is the best title for the passage?

A.How the Railways Have Affected the West

B.How the Effects of Power Plants Can Be Reduced

C.How Solar Energy Could Reshape the West

D.How the Problems of the Highways Have Been Settled

考点:政治经济类阅读历史文化类阅读
题型:阅读理解

近年来,广东沿海地区多次发生大规模的赤潮,这主要是由于海水中的某种生物大量繁殖而造成的,这种生物是(  )

A.鱼类

B.草履虫

C.单细胞生物

D.病毒

题型:阅读理解

驱虫药的服用时间是()

A.饭前服

B.空腹服

C.饭后服

D.定时服

E.睡前服

题型:阅读理解

1998年度的统计显示,对中国人的健康威胁最大的三种慢性病,按其在总人口中的发病率排列,依次是乙型肝炎、关节炎和高血压。其中,关节炎和高血压的发病率随着年龄的增长而增加,而乙型肝炎在各个年龄段的发病率没有明显的不同。中国人口的平均年龄,在1998年至2010年之间,将呈明显上升态势而逐步进入老龄化社会。依据题干提供的信息,推出以下哪项结论最为恰当( )。

A.到2010年,发病率最高的将是关节炎

B.到2010年,发病率最高的将仍是乙型肝炎

C.在1998年至2010年之间,乙型肝炎患者的平均年龄将增大

D.到2010年,乙型肝炎的老年患者将多于非老年患者

题型:阅读理解

矿床疏干分类中,预先疏干叙述正确的是()。

A、在开采过程中,根据需要逐步布置疏干工程,以降低地下水位

B、在地表疏干工程排出进出采场的地下水和地表水,形成保护开采安全的降落漏斗

C、利用井巷或钻孔揭露含水层将地下水导出,达到疏干要求

D、在露天剥离开采前或基建过程中,将地下水位降低到预定的安全范围以为,保证生产安全

题型:阅读理解

患者术前诊断为阑尾炎,术中见阑尾正常,回肠末端距回盲部30cm处肠壁有一圆形溃疡穿孔,应首先考虑为()。

A.肠结核

B.肠伤寒

C.节段性肠炎

D.梅克尔憩室炎

E.痢疾合并肠穿孔

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