2017年职称英语b类试题
Temperate insects reproduce well over a broader range, and do not live as_____(59)to their thermal(热的)limit, so they can reproduce successfully when their climate warms more than in the tropics.
"Tropical insects do very well in a narrow band of temperatures, but move them above that_____(60)and they die," says team member Josh Tewksbury of the University of Washington in Seattle.
The heart of the_____(61)is temperature tolerance. Temperate-zone insects have evolved to survive the much broader temperature swings of seasonal climates, than have their tropical relatives.
The_____(62)appears worse for animals that live in hot stable climate of the lower levels of tropical forests. Lizards in clear areas can find shade to cool down, but those living in the forest are already in the_____(63), and there's not much they can do to get cooler, Deutsch says.
Too few tropical insects have been studied so far to_____(64)if any particular group will be particularly hard-hit, says Tewksbury. Insects play important_____(65)in forest ecology(生态学).
The team are now starting to evaluate how temperature affects ecological interactions of insects with other species, including crops such as African corn.
51.【题干】_____
A.treat
B.threaten
C.help
D.protect
52.【题干】_____
A.demanded
B.needed
C.promised
D.expected
53.【题干】_____
A.while
B.where
C.that
D.what
54.【题干】_____
A.on
B.in
C.at
D.with
55.【题干】_____
A.meet
B.spread
C.decrease
D.change
56.【题干】_____
A.rate
B.value
C.system
D.type
57.【题干】_____
A.develops
B.stops
C.rises
D.drops
58.【题干】_____
A.fast
B.typically
C.firmly
D.jointly
59.【题干】_____
A.important
B.possible
C.close
D.necessary
60.【题干】_____
A.range
B.order
C.rank
D.XX
61.【题干】_____
A.proposal
B.project
C.thesis
D.problem
62.【题干】_____
A.reason
B.cause
C.level
D.effect
63.【题干】_____
A.cave
B.shade
C.sunshine
D.open
64.【题干】_____
A.tell
B.speak
C.wonder
D.doubt
65.【题干】_____
A.tricks
B.roles
C.games
D.rules
参考答案
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