案例分析题

However careful one may be, he cannot possibly listen carefully to everything that he hears. There are（1）of reasons for this. One of them is the overload of messages most of us（2）each day. In addition to the numerous hours we（3）hearing other people speak, we may spend several hours listening to the radio or sitting in front of a television set.（4）, it is impossible to focus our attention completely on what is said; our mind might be（5）elsewhere. Preoccupation with our personal concerns is（6）reason we don’t always listen carefully. A romance （7）sour or a good grade on a test may take prominence in our mind even as（8）is speaking to us. Furthermore, we are surrounded by all kinds of noises which interfere（9）listening. For example, voices at a party or（10）of traffic may simply make it difficult for us to catch everything that is being said.

（8）内应选（）