It's ________ late now, but I have homework to do.
A:too much; too much
B:too much; much too
C:much too; too much
D:much too; much too
下列各物质属于电解质的是( )
①NaOH②BaSO4③Cu④蔗糖⑤CO2.
对豆科植物和根瘤菌的共生关系描述不正确的是( )
下列各句中,没有语病的一句是()