- She must be in red.
- No, _________. She wears a green coat.
A:she is
B:she must not
C:I don't think so
D:I am not
由溴乙烷制取乙二酸,依次发生反应的类型是( )
历史兴趣小组总结七年级上册各历史朝代特征,其中三国两晋南北朝时期的特征为( )