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新托福语境内猜词训练27 - 外语类 - 托福/托业 - 我要模考网
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发布人: HelloHedy   发布时间: 2016-07-20

新托福语境内猜词训练27

1

If such hunters first competed with the larger predators and then replaced them, they may have allowed more young to survive each year, gradually increasing the populations of favored species.

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

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2

They became an integral part of the gardens of the Ottoman Empire from the sixteenth century onward, and, soon after, part of European life as well.

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

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3

They flourished in Pennsyvania too, where in 1698 William Penn received a report of John Tateham's "Great and Stately Palace," its garden full of tulips.

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

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4

Thomas Hancock, an English settler, wrote thanking his plant supplier for a gift of some tulip bulbs from England, but his letter of the following year grumbled that they were all dead.

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

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5

No two comets ever look identical, but they have basic features in common, one of the most obvious of which is a coma.

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

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6

At the heart of a comer's coma lies a nucleus of solid material, typically no more than 10 kilometers across.

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

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7

The most graphic proof that the grand spectacle of a comet develops from a relatively small and inconspicuous chunk of ice and dust was the close-up image obtained in 1986 by the European Giotto probe of the nucleus of Halley's Comet.

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

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8

As a comet's orbit brings it closer to the Sun, first the coma grows, then two distinct tails usually form.

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

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9

Pheromones are substances that serve as chemical signals between members of the same species.

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

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10

Pheromones are the predominant medium of communication among insects but rarely the sole method) . Some species have simple pheromone systems and produce only a few pheromones, but others produce many with various functions.

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

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11

Some species, such as ants, seem to be very articulate creatures, but their medium of communication is difficult for humans to study and appreciate because of our own olfactory insensitivity and the technological difficulties in detecting and analyzing there pheromones.

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

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12

Aphids, which are particularly vulnerable to predators because of their gregarious habits and sedentary nature, secrete an alarm pheromone when attacked that causes nearby aphids to respond by moving away.

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

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13

These innovations in manufacturing boosted output and living standards to an unprecedented extent;the average per capita wealth increased by nearly 1 percent per year-30 percent over the course of a generation.

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

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14

Since the 1790's, North American entrepreneurs --- even without technological improvements --- had broadened the scope of the outwork system that made manufacturing more efficient by distributing materials to a succession of workers who each performed a single step of the production process.

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

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15

As early as 1782 the prolific Delaware inventor Oliver Evans had built a highly automated, laborsaving flour mill driven by water power.

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

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