2021GRE真题模拟04-10

1、Select one answer choice.
　 It can be inferred that author mentions pineries primarily to ______.（单选题）

A. demonstrate how greenhouses changed over time

B. contrast Italian and French forms of greenhouses

C. indicate the types of fruit that Europe once imported

D. present an example of a type of early greenhouse

E. show that greenhouses have been around for centuries

试题答案：D

2、As its name suggests, a box canyon is a small (i) ______ with steep walls on three sides, allowing entry or (ii) ______ from only one direction. Long ago, buffalo hunters might drive a herd into a box canyon, (iii) ______ trapping them and making them easy to butcher.
（多选题）

A.

B.

C.

D.

E.

F.

G.

H.

I.

试题答案：C,D,H

3、Truculent in defending their individual rights of sovereignty under the Articles of Confederation, the newly formed states ______ constantly.（多选题）

A. digressed

B. conferred

C. bickered

D. dismembered

E. rebuffed

F. squabbled

试题答案：C,F

4、Because free hydrogen does not exist in nature, it cannot be ______ a primary energy source, as coal or oil can.（多选题）

A. borne in mind

B. taken into account

C. concerned with

D. considered

E. remarked upon

F. thought of as

试题答案：D,F

5、In a classic example of scholarly (i) ______, the poet and scholar A. E. Housman once assailed a German rival for relying on manuscripts “as a drunkard relies on lampposts, for support rather than (ii) ______”
（多选题）

A.

B.

C.

D.

E.

F.

试题答案：B,E