Part A
You will hear a passage about the Kansas City computer system. Listen and complete the sentence in questions 6-10 with the information you’ ve heard. Write not more than 5 words in each numbered box. You will hear the recording twice. You now have 25 seconds to read the table below.
Noise can produce serious ______ stress.

单项选择题What is the purpose of building new houses facing north or south

单项选择题What’s the problem with paper napkins and plastic food wraps

单项选择题Which is not true about solar heat collector panels

填空题What is the passage mainly about

单项选择题21（）

A．require
B．need
C．want
D．lack

填空题Noise constitutes a real and present danger to ______ .

单项选择题Why is insulation required in new houses

单项选择题What’ s the talk mainly about

填空题What characteristics can be of a flood

单项选择题What do we learn about the use of solar energy in the USA