1. The ship Titanic had been given the extra name of "unsinkable" because its ____ was the best there was.
A.manufacture B.production C.erection D.construction
2. The US dollar is traditionally the ____ of choice all over the world in case of crisis.
A.money B.currency C.bill D.cash
3. The education provides them ____ to economic progress.
A.admission B.acceptance C.approach D.access
4. Japan has ____ its steps toward putting into effect an international treaty banning chemical weapons.
A.hurried B.bustled C.accelerated D.rushed
5. The motion of ocean water ____ at different depths below the surface.
A.varies B.modifies C.alters D.differs
6. Health experts ____ leisurely meals.
A.introduce B.recommend C.present D.comment
