Which one is the microwave plan tool？（

1、The volute pump is one in which the im

The volute pump is one in which the impeller （）.Adischarges into a gradually widening channelBhas stationary diffuser vanesCproduces no kinetic energyDAll of the above are true

2、Which one of the following is the most

Which one of the following is the most commonly used layer 2 network device?（）A HubB BridgeC SwitchD RouterE RepeatersF None of the above

3、Which one of the followings is not req

Which one of the followings is not required on survival crafts?（）AAnti-seasickness medicineBImmersion suitsCAxesDLifebuoy

4、Which one is NOT the cause of the gene

Which one is NOT the cause of the generation gap?A Young people like to choose their own lifestyles.B American society is changing very fast.C Parents place high hopes on their children.D Modem education makes them think differently.

5、● （75）is one of the quality planning o

● （75）is one of the quality planning outputs.(75)A Scope base lineB Cost of qualityC Product specificationD Quality checklist

6、Which is one of the largest government

Which is one of the largest government departments that deal with education?