【单选题】听力原文:Whose car shall we take? (A) It's shallow. (B) We took the bus. (C) Let's take my car. (16)
【单选题】外源性热原主要是微生物的内毒素,其致热中心为
【单选题】The bus stop is twenty _____ walk from here. You needn't _____ a bus. [ ]
【判断题】3.Sara can take
Bus No.4 to the
park .