The origins of human speech remain a mys

admin2022-08-02  56

问题 The origins of human speech remain a mystery,__________ we have a fairly accurate idea of when writing began.A.onceB.ifC.thoughD.since

选项 A.once
B.if
C.though
D.since

答案 C

解析 考查连词辨析。句意为“我们对于写作的起始有了相当准确的观点,演讲的。起源仍然是个谜团”。根据句意.前后表转折.故选C。
转载请注明原文地址:https://tihaiku.com/congyezige/1878605.html

最新回复(0)