四六级

　　听力是不少英语四级考生的软肋，很多考生在平常练习的时候往往是三分钟热度，这样练习肯定是不行的，大家一定要持之以恒。下面是小编为大家准备的英语四级长对话听力练习题，希望对各位考生有帮助!

英语四级长对话练习53

　　23

　　A.They can grow in labs.

　　B.They can form different organs.

　　C.They have resistance against drugs.

　　D.They are newly found.

　　24

　　A.Have a very good rest.

　　B.Forget about the operation.

　　C.Be aware of the rejection.

　　D.Take drugs regularly.

　　25

　　A.People are still unknown about stem cells.

　　B.People feel it is against their religious belief.

　　C.The cost of developing stem cells is too high.

　　D.It puts babies' lives in great danger.

　　习题解析：

　　【小题23】短文中提到 They are very young, and in the laboratory scientists can grow them into different types of cell.由此可知，干细胞可以发展成为各种不同的器官。因此答案为选项 B。

　　【小题24】短文中指出 Currently, transplant patients have to take drugs for the rest of their lives to prevent their bodies rejecting the new organs. 由此可知，为了避免排斥反应，病人必须终生按时服药。因此答案为选项 D。

　　【小题25】此题针对人们反对使用干细胞的原因进行提问。短文中说 Many people have religious or ethical objections to growing embryos, even if they can be used to cure diseases.由此可知，宗教和伦理方面的考虑促使一些人反对干细胞的使用。因此答案为选项 B。

　　以上就是小编为大家介绍的相关信息，希望对大家有帮助。想了解更多四六级备考课程、备考资讯，请点击文都网校四六级资讯站查询!有问题找文都☞☞☞详情咨询入口>>>

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