You must explain（）how they succeeded（）

1、17．_________they may not succeed，they

17．_________they may not succeed，they will try their best．AThoughBWhenCBecauseDUnless

2、How must each storage tank for helicop

How must each storage tank for helicopter fuel on a ship be marked?（）ADANGER - KEEP AWAYBDANGER - EXPLOSIVE VAPORSCDANGER - NO SMOKINGDDANGER - FLAMMABLE LIQUID

3、How long must the records of tests and

How long must the records of tests and inspections of fire fighting equipment on board a ship be retained on board?（）A6 monthsB1 yearC3 yearsDUntil the next inspection for certificatio

4、How are you，Bob？—greetings/How do you

How are you，Bob？—greetings/How do you do？Hello!Hi!What’s up？（）TedAHow are you？BI’m fine.Thank you.CHow do you do？DNice to mee tyou.

5、How long must GMDSS Radio Logs be reta

How long must GMDSS Radio Logs be retained by the licensee when they relate to a distress situation or disaster? （）A6 monthsB1 yearC2 yearsD3 year

6、I was（）than angry when I saw how they'

I was（）than angry when I saw how theyd ruined the landscape.AmuchBlittleCmoreDle