问题补充:
It is rather that we still do not know how many species there are in the world today.
A. misleading
B. embarrassing
C. boring
D. demanding
答案:
A. misleading
(答案→)B. embarrassing
C. boring
D. demanding
解析:考查形容词:A.misleading误导的B.embarrassing令人尴尬的C . boring乏味的D.demanding苛刻的,要求高的,句意:我们还不知道现在地球上有多少物种真是令人尴尬的。选B。