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单选题
Nobody but the twins _____ some interest in the project till now.
A
shows
B
show
C
have shown
D
has shown
参考答案
参考解析
解析：
句子主语是nobody，谓语动词用单数形式。till now说明句子应该用现在完成时。
句子主语是nobody，谓语动词用单数形式。till now说明句子应该用现在完成时。
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共用题干
第一篇UlcersEven though ulcers appear to run in families,lifestyle plays more of a role than genetic （基因的）factors in causing the illness, according to a report in the April 13th issue of Journal of Internal Medicine. In particular,smoking and stress in men and the regular use of pain-releasing medicines in women were linked with an increased risk of developing an ulcer（溃疡）.Overall,61% of ulcer risk appears to be due to environmental factors,such as smoking,and the remaining 39% is due to genes,according to Dr. lsmo Raiha of the University of Turkey and colleagues at the University of Helsinki,Finland.Some researchers had suggested that families may spread Helicobacteria pyloni（幽门螺旋菌）, the bacteria（细菌）that can cause ulcers. However, the new study suggests this is unlikely,according to the report.Raiha and colleagues studied data from more than 13,000 pairs of twins to examine the roles of genetic and environmental factors in the origin of ulcer. Both twins were more likely to develop an ulcer if the pain were genetically the same as compared with a pair of fraternal（由两受精卵发育而成的）twins , suggesting that there must be some genetic susceptibility（敏感性）to ulcer development.However,the risk was no greater in twins living together compared with twins living apart,suggesting that shared exposure to H.pyloni was not to blame." Environmental effects were not due to factons shared by family members,and they were related to smoking and stress in men and the use of pain-releasing medicines in women,"the authors write in their report. In the last paragraph,the word"suggesting"could be best replaced byA:assuming. B:implying.C:proposing. D:believing.
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共用题干
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Generate too little powerB
Harm desert speciesC
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Disrupt the beauty of nature
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单选题The case of identical twins from Germany shows that _____.A
environment can help determine people’s body shapeB
genes are the decisive factors for people’s body shapeC
identical twins are likely to enjoy different sportsD
identical twins may have different genes for different sports
考题
问答题Practice 8 ● You are a Project Team Leader. You have had to cancel your next project meeting because some of the members of your team will be abroad. ● Write a memo to your project team: ● informing them of the cancellation and giving the reason； ● stating a new date and time for the meeting； ● requesting suggestions for the agenda. ● Write 40—50 words.
考题
单选题Unlike animal communication systems, human language is_______.A
stimulus freeB
stimulus boundC
under immediate stimulus controlD
stimulated by some occurrence of communal interest
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