The scientists my the plant's ____ in this area
33. The scientists my the plant's ____ in this area
was a terrible sign of the worse environment.
A. introduetionB. absence
C. presenceD. appearance
【解析】选B全句意为“这个地区这种植物的消失是环境恶化的一种迹象”。
34. -- Will $200 ____?
-- I'm afraid not. We need at least 50 more dollars.
A. countB. satisfy
C. fitD. do
【解析】选D问句意为“200美元可行吗?”do可作不及物动词,作“行,可以”解,表示对莱一事实的认可。fit意为“吻合”,不是抽象意义的“合适”。