1. Extensive reading and listening on TED

Listen to this passage by clicking the following link.

双语|病毒是如何从动物传染人给人类的

2. Wrtie a short passage of 50 words on the text you have just read and listen in part One.

3. 专四习题答案

Keys:

Part III  Cloze

31-35ACBDA  36-40CBDAC  41-45BADBC  46-50ADBDB

Part IV Grammar and vocabulary

51-55 BCBAD  56-60 ADCAC  61-65 BDACB  66-70 BDCAD

71-75 BCBDA  76-80 CBACB