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時間:2021-07-07
來源:留學(xué)監(jiān)理網(wǎng)
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Here is a free reading test to help you prepare for the iBT exam.
The answers are given after the questions to Passage 1.
Madame Curie should certainly be an inspiration to scientists today. She had spent the day blending chemical compounds which could be used to destroy unhealthy cells in the body. As she was about to retire to bed that evening, she decided to return to her lab. There she found that the chemical compound had become crystalized in the bowls and was emitting the elusive light that she sought.
Inspired by the French scientist Henri Becquerel, Curie won the Nobel Prize for Chemistry in 1903. Upon winning the prize, she declared that the radioactive element would be used only to treat disease and would not be used for commercial profit.
Today radium provides the most effective remedy for certain types of cancer. Radium, now used for a treatment called radiotherapy, works by inundating diseased cells with radioactive particles. Its success lies in the fact that it eradicates malignant cells without any lasting ill effects on the body.
1. Which of the following is the best meaning of the word quarry as it is used in this passage?
A. a precious commodity
B. an unknown catalyst
C. an object that is sought
D. a chemical compound
2. According to the information in the passage, why is radium treatment used as a cancer therapy?
A. because it is cost effective
B. because it destroys cancerous cells
C. because it has no long-term effects
D. because it emits a glowing light
3. What is the most appropriate title of the passage?
A. Madame Curie: An Inventive Chemist
B. The Discoveries of Madame Curie
C. The Use of Radium to Treat Cancer
D. The Discovery and Use of Radium
4. Which of the following phrases or sentences from the passage expresses an opinion rather than a fact?
A. Marie Curie worked around the clock to discover a radioactive element.
B. Madame Curie should certainly be an inspiration to scientists today.
C. She had spent the day blending chemical compounds which could be used to destroy unhealthy cells in the body.
D. Upon winning the prize, she declared that the radioactive element would be used only to treat disease and would not be used for commercial profit.
譯文:
居里夫人在巴黎附近一間破舊的實驗室里日以繼夜地工作,為的是發(fā)現(xiàn)一種放射性元素。她于1902年獲得了一種礦,并根據(jù)拉丁文中“射線”這個詞命名為鐳。
居里夫人無疑是對現(xiàn)在科學(xué)家精神的一種鼓舞。她花一天的時間混合化學(xué)混合物,這種化學(xué)混合物可以用來破壞體內(nèi)的不健康細(xì)胞。那天晚上,當(dāng)她準(zhǔn)備睡覺時,她又決定返回實驗室。在那里,她發(fā)現(xiàn)化學(xué)化合物在碗里結(jié)晶了,散發(fā)著她所尋找的難以捉摸的光。
在法國科學(xué)家亨利.貝克勒爾的啟發(fā)下,居里夫人于1903年獲得了諾貝爾化學(xué)獎。獲獎后,她宣布放射性元素只用于治療疾病,不用于謀取商業(yè)利益。
今天,鐳為某些種類的腫瘤提供了最有效的治療方法。鐳,現(xiàn)在被用于一種放射療法治療,作用是用放射性粒子吞沒患病的細(xì)胞。這種療法的成功在于它根除了惡性細(xì)胞而對身體沒有任何持續(xù)的副作用。
答案與解析:
1. C原文表述為:Marie Curie worked around the clock to discover a radioactive element. When she finally captured her quarry in 1902,可見quarry是居里夫人尋找的一種物質(zhì),C答案是原文所要表達的最準(zhǔn)確的意思,造成干擾的是D項,D項化學(xué)混合物是居里夫人通過混合化學(xué)混合物來得到她要得到的物質(zhì)。所以該題選擇C選項。
2. B 原文表述為:She had spent the day blending chemical compounds which could be used to destroy unhealthy cells in the body. 以及Radium, now used for a treatment called radiotherapy, works by inundating diseased cells with radioactive particles. 所以鐳用于腫瘤治療法的的原因是它可以破壞癌細(xì)胞。
3. D 本文先描述了居里夫人發(fā)現(xiàn)鐳的艱辛過程,接著是在放射性治療法中的治療原理。所以最合適的標(biāo)題是D。
4. B 很明顯地看出,A, C, D三個選項是事實的描述,而B選項是一個觀點。所以B選項為正確答案。
The answers to the test are provided after the questions.
這是世界上第一條運載乘客的公共鐵路,盡管它最初用于將煤炭從內(nèi)地煤礦運往北海港口。這列火車于1825年9月27日問世,共有32個敞篷車廂,能載300多名旅客。
這列火車有邊輪,它運行在專門設(shè)計的軌道上,以便使車廂更快、更平穩(wěn)。雖然小車箱不能說是寬敞的,但是機車可以加速到每小時15英里,這在當(dāng)時是一個破紀(jì)錄的速度。
1. Which of the following is the best meaning of the word commodious as it is used in this passage?
2. Why was the second locomotive that Stephenson invented an improvement on his first?
A. because it ran more smoothly
B. because it was more comfortable
C. because it could carry more passengers
D. because it ran with greater force and speed
A. Many passengers were frightened about traveling on his new locomotive.
C. Profits in the coal industry increased after the invention of the locomotive.
D. Stephenson should have been able to invent a locomotive that could run faster.
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