If you do not wear goggles and helmet，

1、Do you know if Mrs. Brown is still liv

Do you know if Mrs. Brown is still living in London?（）AYes, she is.BYes, it is.CYes, they are.DYes, he is.

2、Do not express shock for what you hear

Do not express shock for what you hear（）matter how shocking it might seem.AnotBneverCnoDnone

3、What should you do if you have transmi

What should you do if you have transmitted a distress call a number of times on channel 16 and have received no reply?（）ARepeat the message...

4、（）spirits and tobacco do you have on b

（）spirits and tobacco do you have on board?AHow muchBHow manyCHow longDHow far

5、Why do you think they had not a backup

Why do you think they had not a backup computer?A Because it was easy down.B Because it was very expensive.C Because it was not advanced enough.D Because it was not as big as the main computer.

6、If you wear extra clothing when enteri

If you wear extra clothing when entering the water after abandoning ship it will（）.Aweigh you downBpreserve body heatCreduce your body heatDmake it more difficult to breathe