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考研
The idea that people might be chosen or rejected for jobs on the basis of their genes disturbs many. Such【C1】______may however,
The idea that people might be chosen or rejected for jobs on the basis of their genes disturbs many. Such【C1】______may however,
admin
2019-06-10
30
问题
The idea that people might be chosen or rejected for jobs on the basis of their genes disturbs many. Such【C1】______may however, be a step 【C2】______ , thanks to work just published in Current Biology by Derk-Jan Dijk and his colleagues at the University of Surrey, in England. Dr. Dijk studies the biology of timekeeping—in particular of the part of the internal body-clock that 【C3】______people to sleep and wakes them up. One of the genes involved in 【C4】______ this clock is known as PER3 and【C5】______in two forms. Dr. Dijk’s work【C6】______that one of these forms is more conducive to night-shift work than the other.
The two forms of PER3 【C7】______ into two slightly different proteins, one of which is longer than the other.【C8】______work by this group showed that people with two short versions of the gene are more likely to be "owls", 【C9】______ to get up late and go to bed late. "Larks"—【C10】______, early risers, have two long versions. Pursuing this【C11】______of enquiry, Dr. Dijk and his team have been studying how such people【C12】______to sleep deprivation. Two dozen volunteers, some genetic owls and some genetic larks, were forced to stay awake for two days. The genetic larks reacted to this worse than the owls did.【C13】______, larks given memory tests and puzzles to【C14】______between the hours of four and eight in the morning turned【C15】______far worse performances than did owls.
What【C16】______that may have for employers is not fully clear. Nevertheless, it is intriguing. There may【C17】______come a time when employers【C18】______night shifts will want a blood sample from【C19】______employees—【C20】______to protect themselves against negligence suits should someone have an accident.
【C7】
选项
A、separate
B、translate
C、freight
D、integrate
答案
B
解析
考查科学常涉及动词辨析。空格处所在句意为:基因PER3的两种形态______成为长短不同的两种蛋白质。B.translate与into搭配意为“转变,变成”,代入文中,表示“基因的两种形态转变成蛋白质”,符合文意。separate与into搭配表示“分成(若干部分)”,freight“运送”,不与into搭配;integrate与:into搭配,表示“融入到…中去,使成一体”,根据科学常识可知,基因不会“分成(separate)”蛋白质,也不会被“融入到(integrate)”蛋白质中。故答案为B.translate。
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0
考研英语一
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