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

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. 

( )15. Even if the one you are talking with is impolite, you should also respond to him or her for politeness.

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. 

47.Listing of names and telephone numbers: giving an   47  order.

( ) 12. The fish which are caught by a fisherman in South America may be made into pet food.

30. The plans of collecting housing property tax have been under ____ for two years.

24. We could not have fulfilled the task in time if it ____ for their help.

21. We agreed to accept ____ they thought was the best tourist guide.

32. An emergency ____ is very important in case of fire.

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

2.