Question

【题目】_______he had some excellent knowledge in physics, he was still unable to solve the problem.

A.AlthoughB.BecauseC.IfD.But

Answer 1

【答案】A

【解析】

句意：虽然他在物理方面知识渊博, 但是他仍旧不能解决这个难题。

考查连词辨析。although虽然；because因为；if如果；but但是。根据语境“他仍旧不能解决这个难题”可知前半句话表示“虽然知识渊博”，用although引导让步状语从句。故选A。