2015年12月19日托福词汇机经预测(高命中率)

　　在考前冲刺阶段为让大家对托福考试各个项目考察的重点内容有所了解，这里特给出了2015年12月19日托福词汇机经预测(高命中率)内容，同学们可以参考使用。

　　2015年12月19日托福词汇机经预测(高命中率)内容如下：

　　1. Desert mammals also depart from the normal mammalian practice of maintaining a constant body temperature. Instead of trying to keep down the body temperature deep inside the body, which would involve the expenditure of water and energy, desert mammals allow their temperatures to rise to what would normally be fever height, and temperatures as high as 46 degrees Celsius have been measured in Grant's gazelles.

　　The word "maintaining" is closest in meaning to which of following?

　　(A) measuring

　　(B) inheriting

　　(C) preserving

　　(D) delaying

　　2. Another strategy of large desert animals is to tolerate the loss of body water to a point that would be fatal for nonadapted animals. The camel can lose up to 30 percent of its body weight as water without harm to itself, whereas human beings die after losing only 12 to 13 percent of their body weight.

　　The word "tolerate" is closest in meaning to which of following?

　　(A) endure

　　(B) replace

　　(C) compensate

　　(D) reduce

　　3. The tolerance of water loss is of obvious advantage in the desert, as animals do not have to remain near a water hole but can obtain food from grazing sparse and far-flung pastures.

　　The word "obtain" is closest in meaning to which of following?

　　(A) digest

　　(B) carry

　　(C) save

　　(D) get

　　4. Beyond a depth of around 2,900 kilometers, a great change takes place and the mantle gives way to the core. Some seismic waves cannot pass through the core and others are bent by it. From this and other evidence, geologists conclude that the outer core is probably liquid, with a solid center. It is almost certainly made of iron, mixed with smaller amount of other elements such as nickel.

　　The phrase "gives way to" is closest in meaning to which of following?

　　(A) runs along

　　(B) rubs against

　　(C) turns into

　　(D) floats on

　　5. Although scientists can speculate about its nature, neither humans nor machines will ever be able to visit it.

　　The word "speculate" is closest in meaning to which of following?

　　(A) report

　　(B) learn

　　(C) worry

　　(D) hypothesize

　　6. Farmers could get better prices for their crops if the alternative existed of sending them directly eastward to market, and merchants could sell larger quantities of their manufactured goods if these could be transported more directly and more economically to the west.

　　The word "alternative" is closest in meaning to which of following?

　　(A) option

　　(B) transition

　　(C) intention

　　(D) authorization

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