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2021高考英语牛津译林版话题专项训练(十五)
一:回归话题
Scientists have announced they have successfully cloned the 1.________(one) human embryo. It has caused much debate round the world. Some scientists point out that we can produce valuable human tissues and organs that could 2.__________ (use) to cure diseases like cancer by cloning, 3.__________ others disagree and are afraid that if mankind toys with nature in this way, we may be on our way to 4._________(create) real-life problems.
Cloning is producing 5._____ exact copy of a plant 6._______ animal using its cells. The scientists who created Dolly the sheep from an adult cell were praised for their wonderful7._____(science) advance. Now some scientists are considering cloning8.______ (human). However, some people think that cloning human embryos with the intention of destroying then shows o respect for life. Even though human cloning is causing a lot of 9._______(anxious). It is good news for women unable to have a baby.
In China, scientists have focu