题目内容

A.A dagger killed the tourist.B. The tourist was killed with a dagger.

查看答案

搜索结果不匹配？点我反馈

更多问题

采用水解反应鉴别青霉素V钾时，所用试剂

A. 青霉素酶
B. 醋酸盐缓冲液(PH4.6)
C. 咪唑溶液
D. 正十四烷的正己烷溶液
E. 茚三酮溶液

汞量法测定青霉素钠时，所用试剂

A. 青霉素酶
B. 醋酸盐缓冲液(PH4.6)
C. 咪唑溶液
D. 正十四烷的正己烷溶液
E. 茚三酮溶液

In Hallidays view, the______function of language is realized as the transitivity system in

A. ideational
B. interpersonal
C. textual
D. social

Consider the following words and finish two tasks: For each word, determine whether it is