题干
All schools in our province ______ new English textbooks to improve students'
listening，speaking，reading and writing abilities three years ago.
listening，speaking，reading and writing abilities three years ago.
A：admired
B：adopted
C： admitted
D：afforded
答案(点此获取答案解析）
B
电解质且能导电的是
，如果它与溴发生取代反应，试推断生成的一溴取代物最多可能有几种（ ）