重点句式

1．But at last the determination and patience of the scientists ____________in 1996 with a breakthrough-the cloning of Dolly the sheep.

但是决心和耐心使科学家们最终于1996年收获了突破性的结果--克隆羊"多莉"。

2．____________the disturbing news ____________Dolly had become seriously ill.

接着传来了多莉病重的坏消息。

3．Is it ____________cloning or ____________it?

它是赞成克隆行为还是反对克隆行为？

4．Scientists believe human cloning is just____________but____________human clones have already been born hasn't been proved yet.

科学家们相信人类的克隆只不过是时间问题，但是克隆人已经问世的说法还没有被证实。

5．________________if there is a new illness some of these animals may die，but others will survive and pass on the ability to resist that disease to the next generation.

其优点是如果发生了某种新的疾病，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，并且把这种免疫力传给下一代。

1．paid off　2.Then came；that　3.in favour of；against　4.a matter of time；the assumption that　5.The advantage is that

知识详解

1 .object　vi.　反对；不赞成　

　　　 n.物体；目标

(回归课本P12)On the other hand，Dolly's appearance raised a storm of objections and had a great impact on the media and public imagination.

另一方面，多莉的出现引起了一阵强烈的反对，对媒体和公众的想象力也产生了极大的影响。

[归纳拓展]

[例句探源]

①(牛津P1372)If nobody objects，we'll postpone the meeting till next week.

如果没有人反对，我们就把会议推迟到下周。

②(牛津P1372)I really object to being charged for parking.

我非常反对收停车费。

③(牛津P1372)If you're late，you'll defeat the whole object of the exercise.

如果你迟到了，便不能达到整个活动的目的。

④I objected that he was too young for the position.

我提出反对意见他太年轻不适合这个职位。

⑤(牛津P1372)The main objection to the plan was that it would cost too much.

反对这个计划的主要理由是费用过高。