4．break

　　5.

　　【答案】　1.out；down；up；away；to　2.with；by/in；in　3.to；from；of；of　4.down；up；through；out; into；in 　5.to；on/at；in；of；with

　　Ⅲ.重点句式

　　1．The novel immediately became very popular and (一致认为) it is one of the best science fiction stories ever written.

　　2． (上大学时)at university，he discovers the secret of how to create life.

　　3． (很显然)some voluntary code of practice among scientists has to be agreed.

　　4． (《勇敢新世界》这本书现在仍然很出名，原因是) it describes a terrifying future world that is becoming more and more possible.

　　【答案】　1.it is generally agreed　2.While studying

　　3．What is clear is that　4.The reason why Brave New World is still so famous is that

　　Ⅳ.回顾话题

　　用本模块词汇或句式完成写作任务

　　科学家弗兰肯斯坦用克隆技术创造了与人一样的生物。这个生物黑色的头发、白色的牙齿与他起皱的黄色皮肤及黑色的嘴唇形成了可怕的对比，吓坏了见过他的每一个人。

现在一些科学家正试图克隆人类，这事颇有争议。相反的观点如下：支持克隆人类的人认为我们可以依靠克隆抵抗或治愈疾病。那些反对的人认为克隆将