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D．border

A.range
B．neighbor
C．line

【参考答案】

C
解析：词汇辨析题。line在这里做动词，意为'排成一行，沿…排列'，原句大意为'火山在太平洋沿岸地区连成一线......

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互补商品之间的价格与需求呈( )变动。

A.同方向
B．反方向
C．可正可反
D．不确定

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It has been a hundred years since the last big one in California, the 1906 San Francisco earth quake, which helped give (1)_____ to modem earthquake science. A century later, we have a highly successful (2)_____, called plate tectonics, that explains why 1906-type earthquakes happen—along with why continents drift, mountains rise, and volcanoes (3)_____ the Pacific Rim. Plate tectonics may be one of the (4)_____ triumphs of the human mind, geology's (5)_____ to biology's theory of evolution. And yet scientists still can't say when an earthquake will happen. They can't even come (6)_____. What scientists can do right now is make good maps of fault zones and (7)_____ out which ones are probably due (8)_____ a rupture. And they can make forecasts. A forecast might say that, over a certain number of years, there is a certain (9)_____ of a certain magnitude earthquake in a (10)_____ spot. And that you should fix your house to its foundation and glue the water heater to the wall. Turning forecasts into predictions—'a magnitude 7 earthquake is (11)_____ here three days from now'—may be impossible, but scientists are doing everything they can to solve the (12)_____ of earth quakes. They break rocks in laboratories, studying how stone (13)_____ under stress. They hike (14)_____ ghost forests where dead trees (15)_____ of long-ago tsunamis. They make maps of unsecured, balanced rocks to see where the ground has (16)_____ in the past and how hard. They dig ditches across faults, searching for the active trace. They have wired up fault zones with so many sensors it is (17)_____ the Earth is a patient (18)_____ intensive care. (19)_____, we tell ourselves—trying hard to be persuasive—there must be some way to (20)_____ order and criterion on all that untrustworthy ground.A．birthB．riseC．groundD．way

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