Was __ at the air battle on June 8,1994, ____ was led by Captain Johnson ___ Peter lost his life? A. it; when; that B. that; that; who C. it; which; that D. it; which; when 答案:C 解析: 考查强调句型和定语从句的用法。第一空为:it;第二空为定语从句,用which引导定语从句并且在从句做主语;第三空为强调句型中的that。图中箭头表示气流状态,①②③④表示等压线,读图回答题。
图示状态下,等压线正确的一组是( )
A.① ④
B.② ③ C.① ③ D.② ④