四六级

　　在四级考试中，听力是考生最不好把握的一个部分了，许多考生没过级多半是因为听力。以下是小编为大家准备的听力考前冲刺练习，希望大家在练习中熟练技巧，总结经验，*。

 英语四级听力冲刺练习62

　　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.

　　参考答案解析：

　　【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提供的四级听力冲刺训练，大家快来练习吧！四六级备考正值冲刺阶段，文都网校为大家推出了2017年6月四六级考前冲刺备考专题，希望能帮助到大家！