Every year millions of people are injured while exercising. Here are four things you can do immediately after an injury.

 小题1:  Rest. Stop using the injured part of your body. Lie down if necessary.

 小题2:  Ice. Put ice in a plastic bag. Place the ice on the injured area. Leave the ice in place for 30 minutes. Take away the ice for 15 minutes. Then put the ice back on for another 30 minutes.

 小题3:  Pressing. Put a piece of clean cloth around the ice and the injured area. You should tie the cloth hard enough to hold the ice, but not too hard.

 小题4:  Lifting. Raise the injured area. If possible, raise the area higher than the level of your heart.

Remember. If you have a serious injury, see a doctor as soon as possible.

A                B                 C                 D

小题5:In which part of a newspaper can you most probably read this passage?

A. News.           B. Health.        C. Fashion.

为保证反应注水的质量合格，注水罐采用的保护气体最好是（）。

A、净化风

B、氮气

C、燃料

D、富氢