Unit 4 Helping people around the world
A卷
Ⅰ 单项填空
1．Carbon dioxide, which makes a ________ between us and the sun, prevents heat from getting out of the atmosphere easily, so the earth is becoming warmer.
A．difference C．connection
B．comparison D．barrier
D 解析：句意：二氧化碳是我们和太阳之间的一道屏障， 它使地球上的热量不容易释放出大气层， 于是地球就变得越来越暖和。 difference“分歧， 区别”； comparison“比较”； connection“联系”； barrier“障碍， 屏障” 。 语境说地球的热量因二氧化碳而不容易释放出大气层， 因此这里选D, 表示“障碍， 屏障” 。
2．—I’ m surprised to hear that Sue and Paul have ________． —So am I. They seemed very happy together when I last saw them. A．broken up C．divided up
B．finished up D．closed up
A 解析：句意：——听到Sue和Paul分手的消息我很吃惊。 ——我也是。我上次看到他们的时候，他们在一起似乎很幸福。 break up“破裂； 分手”。
3．It is not ________ to discuss the question again and again. A．worth C．worthwhile
B．worthy D．while
C 解析：It is worthwhile to do sth. 为固定句型， 意为“做某事是值得的” 。 4．For most people, ________ work stress involves ________ lack of satisfaction and not feeling appreciated.
A．/; / C．/; the
B．the; the D．/; a
D 解析：考查冠词。 句意：对大部分人来说， 工作压力包含缺乏满意感和被欣赏感。 第一空， stress作“压力” 讲时， 是不可数名词， 故不用冠词； 第二空， a lack of “缺乏， 缺少”， 为固定短语。 故选D项。
5．You are expected to give an explanation ________ to account for what happened. A．equal C．adequate
B．similar D．eager
C 解析：考查形容词辨析。 句意：大家期望你给出一个充分的理由来解释发生了什么。 此处是形容词作定语，修饰explanation。
6．Those who ________ new responsibilities need additional guidance for a period of time until they are familiar with the new work.
A．set out C．set up
B．take up D．take on
D 解析：take on responsibilities“承担责任”， 符合题意。
7．I look on it as a good opportunity to ________ fresh skills and broaden my knowledge.
A．require C．acquire
B．accept D．submit
C 解析：句意：我把它看作是一次获取新技能， 拓宽知识面的很好的机会。 acquire“获得”，符合句意。 require“要求”； accept“接受”； submit“顺从； 提交”。
8．As there is less and less coal and oil, scientists are exploring new ways of making use of ________ energy, such as sunlight, wind and water for power and fuel.
A．primary C．instant
B．alternative D．unique
B 解析：句意：随着煤和石油越来越少， 科学家们正在研究一些新方法来利用这些可替代能源， 如太阳能、风能和水能。 alternative“可选择的， 可替代的”， 符合句意。 primary“首要的， 初期的”； instant“立即的， 迅速的”； unique“独特的” 。
9．George Bush, the former U．S. president, has taken up oil painting since leaving the White House, revealing that painting ________ his relaxed lifestyle.
A．allowed for C．stuck to
B．accounted for D．contributed to
D 解析：考查动词短语辨析。 句意：美国前总统乔治·布什自从离开白宫就开始从事油画创作， 这显示绘画促成了他的休闲生活方式。 contribute to表示“促成， 贡献， 有助于” 。
10．Old-fashioned phones matter when wireless networks ________in disasters. A．turn down C．break down
B．turn out D．break out
C 解析：句意：在灾难中，当无线网络出故障时，老式手机就(显得)很重要了。turn down表示“调小；拒绝”；turn out表示“生产；结果是，证明是”；break down表示“出故障”；break out表示“(战争、疾病等的)爆发”。由题干中的关键信息old-fashioned phones matter和in disasters可知此处填break down“出故障”。
11．It was essential that the application forms ________ back before the deadline.
A．must be sent C．would be sent
B．be sent D．were sent
B 解析：句意：申请表务必在截止日期之前寄回。 在It is essential that-clause 结构中， that 从句中谓语动词常用虚拟语气， 其形式为：(should＋) do。
12．I took my driving license with me on holiday，_______I wanted to hire a car. A．in case C．ever since
B．even if D．if only
A 解析：考查条件状语从句。句意：我在度假时随身带着驾照，以防自己需要租车。in case表示“以防，万一”，符合句意。后三项分别表示“即使”“自从”“但愿”，都不符合语境。
13．All of these letters and telegrams, almost without exception, urge that the cause we have been fighting for ________．
A．be carried on C．carrying on
B．being carried on D．to carry on
A 解析：考查虚拟语气。 动词urge, suggest, advise, order, demand, require 等后的宾语从句需用虚拟语气， 即用“should ＋ 动词原形” 来表示催促、愿望、建议、命令、请求等， should 可以省略。
14．—What a pity! The bus has just left.
—Oh, ________ I had come to the stop five minutes earlier. A．only if C．only just
B．if only D．not only
B 解析：考查虚拟语气。 句意：——真遗憾！公共汽车刚刚离开。 ——哦， 要是我
(江苏专用)2024版高考英语大一轮复习Unit4Helpingpeoplearoundtheworld闯关练习(含解析)牛津译林选修6
