i学app英语学习代刷课代做答案软件脚本-21世纪大学英语应用型视听说教程(第3版)4答案

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i学app英语学习代刷课代做答案软件脚本-21世纪大学英语应用型视听说教程(第3版)4答案

Conversation One
Directions : In this section , you will hear three news reports . At the end of each news report , you will hear two or three questions . Both the news report and the questions will be spoken only once . After you hear a , you must choose the best answer from the four choices marked A ) B , C ) and D)
1.Questions 8 to 11 are based on the conversation you have just heard.
A.The reproductive cycle of barmacles.
B.A new source of protcin.
C.Types of sea animals.
D.The adhesive quality of bamacles.

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