大学英语四级改革适用（阅读）模拟试卷843
仔细阅读
The center of American automobile innovation has in the past decade moved 2,000 miles away. It has【G1】________from Detroit to Silicon Valley, where self-driving vehicles are coming into life.
In a【G2】________to take production back to Detroit, Michigan lawmakers have introduced【G3】________that could make their state the best place in the country, if not the world, to develop self-driving vehicles and put them on the road.
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1.【G1】
H
解析：空格前为助动词has，空格后为介词短语 from Detroit to Silicon Valley作状语，has__________应构成现在完成时，因此空格处应为动词过去分词形式（v.-ed）。由上文可知，空格处的动词应与“搬迁，搬移”表意相近。动词中只有H）migrated“移居，迁徙”符合句意。故本题选H。
2.【G2】
A
解析：空格前为不定冠词a，空格后为不定式短语 to take production back to Detroit作后置定语，因此空格处应为可数名词的单数形式（n.）。由句意可知，空格处的名词应与“努力，尝试”表意相近。名词中只有A）bid“努力争取”符合句意，in a bid to do sth.为固定搭配，意为“为了做某事，试图做某事”。故本题选A。
3.【G3】
G
解析：空格前为谓语 have introduced，空格后为that引导的定语从句，因此空格处应为名词（n.），作宾语。由句意及下文bills可知，空格处的名词应与“法律，法规”表意相近。名词中只有G）legislation“法规；法律”符合句意。故本题选G。
4.【G4】
D
解析：空格前为名词所有格Michigan’s，空格后为介词短语 in auto research and development，因此空格处应为名词（n.）。由句意可知，空格处的名词应与“地位”表意相近。名词中只有D）dominance“支配，控制”符合句意。故本题选D。
5.【G5】
I
解析：空格处位于which引导的定语从句中，从句的主语是which指代的先行词several states and countries，空格前为desire to，desire to________为谓语结构，空格后为宾语our leadership，因此空格处应为动词原形（v）。由句意可知，空格处的动词应与“挑战，冲击”表意相近。动词中只有I）replace“代替，取代”符合句意。故本题选I。
6.【G6】
N
解析：空格前为the lead，空格后为of引导的介词短语 of four bills，整个短语作Mike Kowall的同位语，因此空格处应为名词（n.）。由句意可知，空格处的名词应与“支持者，倡导者”表意相近。名词中只有N）sponsor“（法案等的）倡议者，发起人，倡导者”符合句意。故本题选N。
7.【G7】
J
解析：空格前为主语+情态动词they would，空格后为名词短语a substantial update，因此空格处应为谓语动词，填动词原形（v）。由句意可知，空格处的动词应与“代表，象征”表意相近。动词中只有J）represent“代表；象征”符合句意。故本题选J。
8.【G8】
E
解析：空格前为形容词 on-demand，空格后为of引导的介词短语of self-driving cars，因此空格处应为名词（n.）。由句意可知，空格处的名词应与“车队，车组”表意相近。名词中只有E）fleets“车队”符合句意。故本题选E。
9.【G9】
B
解析：空格前为介词In，空格后为逗号，因此空格处应和in构成介词短语，应填名词（n.）。由句意可知，密歇根州的法律与加利福尼亚州的法规不同，空格处的名词与in搭配应与“相反，反而”表意相近。名词中只有B）contrast“明显的差异；对比”符合句意。故本题选B。
10.【G10】
K
解析：空格前为修饰形容词的far more，空格后为名词rules，因此空格处应为形容词（a.）。由句意及上文可知，空格处的形容词应与“保守的，严格的”表意相近。形容词中只有K）restrictive“限制性的；约束的”符合句意。故本题选K。
How Work Will Change When Most of Us Live to100
[A] Today in the United States there are 72,000 centenarians (百岁老人 ). Worldwide, probably 450,000. If current trends continue, then by 2050 there will be more than a million in the US alone. According to the work of Professor James Vaupel and his co-researchers, 50% of babies born in the US in 2007 have a life expectancy of 104 or more. Broadly the same holds for the UK, Germany, France, Italy and Canada, and for Japan 50% of 2007 babies can expect to live to 107.
[B] Understandably, there are concerns about what this means for public finances given the associated health and pension challenges. These challenges are real, and society urgently needs to address them. But it is also important to look at the wider picture of what happens when so many people live for 100 years. It is a mistake to simply equate longevity (长寿) with issues of old age. Longer lives have implications for all of life, not just the end of it.
[C] Our view is that if many people are living for
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