38. In the sentence “Some of the challenges are practical”, “practical” means ____.

5.

17. It is high time I ____, otherwise I will miss the train.

50.Government listings: given either in the business listing section or in a   50 . 

4.

( )13. Talking to strangers on the Internet is absolutely safe.

35. The theory of ____ was developed by Darwin and is now understood by nearly everybody in the world.

（ ）52. As a well-known supermarket chain, Walmart is a typical example of successful multichannel shopping.

67. 假定你是Rich Simons公司广告部经理,根据下列信息拟写一篇电脑广告。该WH96型电脑是公司今年投放市场的新产品。产品有极佳的记忆容量和处理能力。配备了每秒可打印500字的高效电子打印机。还可以使用六种不同的语言。产品让利5%~ 12%。为顾客提供以下服务：免费试用,免费培训一年内保修一个月内包换一周内包退联系电话：023 - 62868888Words for reference:记忆容量memory capacity 处理能力 processing ability电子打印机electronic printer 让利discount offered

Part Ⅰ Listening Comprehension ( 15 Points )Directions: This part is to test your listening ability. It consists of 3 sections.Section ADirections: This section is to test your ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. Both the dialogues and questions will be spoken only once. When you hear a question, you should decide on the correct answer from the 4 choices marked A, B, C and D given in your test paper. Then you should mark the corresponding letter on the Answer Sheet with a single line through the center.1. 

34. Mary has a ____ view of our future. But nobody believes what she said.

23. Under no circumstances ____ to tell lies to your friends.