状况很好(坏);情况很好(坏) cast down object to in favour of (be) bound to (do)... from time to time pay off bring back to life in vain strike...into one’s heart in good/poor condition 答案 重点短语 1.It happens in plants when gardeners take cuttings from growing plants
. 当园艺师从生长着的植物上剪下枝来培植新植物时,它(克隆)就发生了。 2.Then came the disturbing news
. 接着传来了令人烦恼的消息——多莉得了重病。 3.However,scientists still wonder
. 然而,科学家们仍然想知道克隆技术是会帮助我们还是伤害我们,以及它将把我们引向何处。 to make new ones that Dolly had become seriously ill whether cloning will help or harm us and where it is leading us 答案 经典句式 4.The advantage is
some of these animals may die,but others will survive and pass on the ability to resist that disease to the next generation. 其优点是如果产生一种新的疾病,这类动物中的一些可能会死掉,但是另外一些却能存活下来,并将这种抵抗能力传给下一代。 5.
if corrections
made in their research procedure? 如果改进研究程序,问题会不会解决呢? that if there is a new illness Could it be solved were 答案 Cloning is a way of making an exact copy of 1.
animal or plant.2.
has two major uses.One is that gardeners use it to produce commercial quantities of plants.The other is that it is 3.
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