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閱讀下列短文，從每題所給的四個選項 （A 、B 、C 和 D ）中，選出最佳選項。

A recent announcement by scientists that they have successfully cloned the first human embryo(胚胎) has caused much debate and has shocked many people around the world. On the one hand, some scientists point out that if you clone an embryo, you can produce valuable tissues(組織) and organs that could be used to save human lives. On the other hand, many people, including some scientists, disagree and fear that if mankind interferes with (干涉) nature in this way, they may be on their way to producing a real-life Frankenstein's monster.

Cloning is producing an exact copy of a plant or an animal using its cells. The first mammal to be cloned successfully from an adult cell was Dolly—the sheep. She was born in 1996 and died in early 2003, at a much younger age than normal. When she was born, many people were angry because they thought cloning would create more diseases in the animal world. However, in general the scientists were praised for their wonderful scientific breakthrough.

The Scottish scientist who created Dolly, Ian Wilmut, is shocked that some scientists are now considering cloning human beings. Although he researches cloning, he has never thought of creating copies of humans. Instead, he thinks the scientists should concentrate on creating new tissues and organs that could eventually be used to cure diseases like cancer. However, some people consider that cloning human embryos with the intention of destroying them shows no respect for human lives.

While cloning human embryos is illegal in many countries, some scientists are already pushing ahead with the research so as to deliver a cloned human baby. Severino Antinori, an Italian doctor, is one of the leaders in this field of research. He has declared that he wants to be the first to clone a human being.

In China, scientists have focused their efforts on cloning animals, as well as stem cells to be used in medical research. China has succeeded in producing clones of cows and goats, and continues to research ways in which cloning can benefit mankind.

【1】Which of the following statements about cloning is TRUE according to the passage?

A. Cloning technology can only be applied to animals.

B. A cloned animal can live longer than a normal one.

C. People all over the world are happy about the birth of Dolly.

D. Cloning can produce valuable tissues and organs to cure human diseases.

【2】The reasons why some people disagree with cloning include the following EXCEPT that .

A. cloning may produce a real-life Frankenstein's monster

B. cloning might create more diseases in the animal world

C. cloning human embryos shows no respect for human lives

D. cloning can't help those who want to clone their dead children

【3】Who is in favor of cloning human beings?

A. Ian Wilmut.

B. Severino Antinori.

C. The author.

D. The Chinese scientists.

【答案】

【1】D

【2】D

【3】B

【解析】本文說明克隆的益處以及人們對此的爭論。

【1】D 細節(jié)理解題。根據(jù)第一段第二句 … if you clone an embryo, you can produce valuable tissues(組織) and organs that could be used to save human lives.可知，克隆可以產(chǎn)生有價值的人體組織和器官，繼而拯救某些疾病。

【2】 D 細節(jié)理解題。根據(jù)第一、二、三段可知，該部分內容談了ABC三項一些人之所以反對克隆人的原因。D項沒有涉及。

【3】B 細節(jié)理解題。根據(jù)倒數(shù)第二段可知，Severino Antinori支持克隆人類。

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