下列各处均有一处错误，请指出并改正。

1. Jim is waiting the train.

2. Don’t read under the sun.

3. Look ! Some people are runing for trains.

4. Lily is in a bus trip now.

 5. Let's look a ballet this evening.

声卡具有三个基本功能，其中之一是数字声音号的输出功能。