【B1】 [br] 【B18】A、AlthoughB、SinceC、BecauseD、ThereforeA通读文章最后一段可知,you will hav

游客2023-07-18  16

问题 【B1】 [br] 【B18】

选项 A、Although
B、Since
C、Because
D、Therefore

答案 A

解析 通读文章最后一段可知,you will have referred to the speaker, possibly by name and title, before you formally introduce him与it is always a good idea to...之间是转折关系,故选Although 。B.Since、C.Because、D.Therefore均表示因果关系,与上下文逻辑不符。
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