问题
选择题
That such a great number of families are still so badly off greatly ______ the researchers.
A．puzzle
B．confuse
C．disturb ed
D．astonishes
答案
答案：D
这题考查动词词义辨析：A. puzzle使…困惑，B. confuse使…迷惑， C. disturb打扰， D. astonishes使…惊讶，句意是：这么多的家庭还这么贫困让研究人员很惊讶。选D。