2022年考研真题及答案专题※ 真题答案下载 ※ 万题库估分
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Section I Use of English
Directions: Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on the ANSWER SHEET. (10 points)
The idea that plants have some degree of consciousness first took root in the early 2000s; the term "plant neurobiology was_____(1)around the notion that some aspects of plant behavior could be_____(2)to intelligence in animals. _____(3)plants lack brains, the firing of electrical signals in their stems and leaves nonetheless triggered responses that_____(4)consciousness, researchers previously reported.
But such an idea is untrue, according to a new opinion article. Plant biology is complex and fascinating, but it_____(5)so greatly from that of animals that so-called_____(6)of plants intelligence is inconclusive, the authors wrote.
Beginning in 2006, some scientists have_____(7)that plants possess neuron-like cells that interact with hormones and neurotransmitters,_____(8)"a plant nervous system,_____(9)to that in animals." said lead study author Lincoln Taiz, "They_____(10)claimed that plants have 'brain-like command centers' at their root tips."
This_____(11)makes sense if you simplify the workings of a complex brain,_____(12)it to an array of electrical pulses; cells in plants also communicate through electrical signals._____(13), the signaling in a plant is only_____(14)similar to the firing in a complex animal brain, which is more than "a mass of cells that communicate by electricity." Taiz said.
"For consciousness to evolve, a brain with a threshold_____(15)of complexity and capacity is required," he_____(16)"Since plants don't have nervous systems, the_____(17)that they have consciousness are effectively zero."
And what's so great about consciousness, anyway? Plants can't run away from_____(18). So investing energy in a body system which_____(19)a threat and can feel pain would be a very_____(20)evolutionary strategy, according to the article.
1.【题干】1._____.
【选项】
A.coined
B.discovered
C.collected
D.issued
【答案】A
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2.【题干】2._____.
【选项】
A.attributed
B.directed
C.compared
D.confined
【答案】C
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3.【题干】3._____.
【选项】
A.unless
B.when
C.once
D.though
【答案】D
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4.【题干】4._____.
【选项】
A.cope with
B.consisted of
C.hinted at
D.extended in
【答案】C
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5.【题干】5._____.
【选项】
A.suffers
B.benefits
C.develops
D.differs
【答案】D
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6.【题干】6._____.
【选项】
A.acceptance
B.evidence
C.cultivation
D.creation
【答案】B
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7.【题干】7._____.
【选项】
A.doubted
B.denied
C.argued
D.requested
【答案】C
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8.【题干】8._____.
【选项】
A.adapting
B.forming
C.repairing
D.testing
【答案】B
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9.【题干】9._____.
【选项】
A.analogous
B.essential
C.suitable
D.sensitive
【答案】A
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10.【题干】10._____.
【选项】
A.just
B.ever
C.still
D.even
【答案】D
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11.【题干】11._____.
【选项】
A.restriction
B.experiment
C.perspective
D.demand
【答案】C
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12.【题干】12._____.
【选项】
A.attaching
B.reducing
C.returning
D.exposing
【答案】D
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13.【题干】13._____.
【选项】
A.However
B.Moreover
C.Therefore
D.Otherwise
【答案】A
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14.【题干】14._____.
【选项】
A.temporarily
B.literally
C.superficially
D.imaginarily
【答案】C
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15.【题干】15._____.
【选项】
A.list
B.level
C.label
D.local
【答案】B
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16.【题干】16._____.
【选项】
A.recalled
B.agreed
C.questioned
D.added
【答案】D
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17.【题干】17._____.
【选项】
A.chances
B.risks
C.excuses
D.assumptions
【答案】A
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18.【题干】18._____.
【选项】
A.danger
B.failure
C.warning
D.control
【答案】A
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19.【题干】19._____.
【选项】
A.represents
B.includes
C.reveals
D.recognizes
【答案】D
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20.【题干】20._____.
【选项】
A.humble
B.poor
C.practical
D.easy
【答案】B
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