2017年GRE填空模拟题(30)

>>GRE填空模拟练习：2017年GRE填空模拟题(30)

>>GRE考试自选辅导

The researcher noted that microbes, although _____, make up far more of the living protoplasm on Earth than all humans, animals and plants combined.

A：invisible

B：omnipresent

C：diminutive

D：ubiquitous

E：minuscule

F：ethereal

答案：CE

Aerial viewings of the gigantic stone horse attributed to the Native American Quechuan people fail to _____ the considerable artistry required to create the piece: the horse appears crudely constructed unless carefully examined from the ground.

A：reveal

B：justify

C：manifest

D：mitigate

E：diminish

F：undercut

答案：AC

Harper Lee’s narration in To Kill a Mockingbird is _____, mixing an adult’s and a child’s perspective according to no logic other than the immediate exigencies of the plot.

A：a paradigm

B：a hodgepodge

C：a model

D：an innovation

E：a patchwork

F：an embarrassment

答案：BE

Changes made to ecosystem in order to achieve a goal, such as food production or flood control, often _____ significant unforeseen trade-offs between other important products and service the ecosystems provide.

A：predict

B：delay

C：foretell

D：obscure

E：yield

F：engender

答案：EF

The (i)_____ of molecular oxygen on Earth-sized planets around other stars in the universe would not be (ii)_____ sign of life: molecular oxygen can be a signature of photosynthesis (a biotic process) or merely of the rapid escape of water from the upper reaches of a planetary atmosphere (an abiotic process).

Blank (I)Blank (II)

A：dearth D：a controversial

B：presumption E：an unambiguous

C：detection F：a possible

答案：CE

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