SECTION 2 Vocabularly Replacement This section consists of 15 sentences; in each sentence one word or phrase is given in the brackets. Below each sentence, there are 4 choices respectively marked by letters A,B,C and D.Choose the word or phrase that can replace the part without causing any grammatical error or changing the basic meaning of the sentencE.There is only ONE right answer. The ancient Greeks were much interested in speculating on the nature of the world about them. A.specializing in B.experimenting on C.calculating on D.pondering over
A.The B. A.specializing C.experimenting D.calculating E.pondering
【参考答案】
D 解析：习语辨析Speculating on表：考虑，推测；而选项A specializing in擅长于，专......