Question

【題目】Lessons can be learned to face the future, ________ history cannot be changed.

A.thoughB.asC.sinceD.unless

Answer 1

【答案】A

【解析】

考查連詞詞義辨析及語境理解。句意：雖然歷史不可改變，但是要吸取教訓(xùn)來面向未來。A. though雖然，盡管；B. as 正如；C. since 自從；D. unless 除非。根據(jù)句意判斷可以知道前后句之間為轉(zhuǎn)折關(guān)系，故用連詞though連接。故選A項。