Although cats cannot see in complete darkness their eyes are much more __________ to light than are human eyes.
A) glowing
B) brilliant
C) sensitive
D) gloomy
注:1. sensitive 敏感的
2. glowing 兴高采烈的
3. brilliant 聪明的
4. gloomy 郁闷的
While nuclear weapons present grave ________ dangers, the predominant crisis of overpopulation is with us today.
A) inevitable
B) constant
C) overwhelming
D) potential
注:1. potential 潜在的
2. constant 常数
3. inevitable 不可避免的
4. overwhelming 占绝大多数的,压倒一切的
This is the ______ piano on which the composer created some of his greatest works.
A) true
B) original
C) real
D) genuine