题干
Michelle found a job as a high school teacher which _____ spending quite a lot of time with students.
A：enjoys
B：involves
C：practices
D：suggests
答案(点此获取答案解析）
B
C6H5—NO2 + H2O ΔH < 0。已知该反应在温度稍高的情况下会生成间二硝基苯。有关数据如下表：