1．As is often the case，a telescope is ________ to see clearly either in cloudy or sunny night.
A．acceptable B．adjustable
C．changeable D．avoidable
答案 B [acceptable可接受的；adjustable可调节的；changeable可变化的；avoidable可避免的。根据题意选B，表示“望远镜是可以调节的”。]
2．The ________ to gambling cost him his family and life.
A．interest B．addiction
C．involvement D．experience
答案 B [interest和involvement要和介词in搭配；experience通常和介词of搭配；addiction和介词to搭配。所以本题正确答案是B。]
