Teaching materials should agree with o

1、Tools with （）handles should be used to

Tools with （）handles should be used to check electric circuit.AplasticBmetalCstainless steelDcopper

2、All personnel should be familiar with

All personnel should be familiar with the lifeboats （）Aboarding and operating proceduresBmaintenance scheduleCnavigational systemsDfuel consumption rate

3、A semiconductor is a material with a （

A semiconductor is a material with a （）.Aconductivity higher than a normal conductorBconductivity higher than a normal insulatorChigh conductivity at low temperaturesDlow conductivity at high temperature

4、Reading（）the mind only with materials

Reading（）the mind only with materials of knowledge; it is thinking that makes what we read ours.ArectifiesBprolongsCminimizesDfurnishe

5、If liquid freon should come in with yo

If liquid freon should come in with your skin, you should （）Awash with salt waterBwash with sterile mineral oilCtreat it like frostbiteDtreat it like any bur

6、（）majority of people agree with him.

（）majority of people agree with him.ATheBAC– (不填)DOne