A:社会科学素养
B:世界观、人生观、价值观
C:自然科学素养
D:社会公德、职业道德、家庭美德
下列物质中,不属于合金的( )
关于纬线的描述错误的是( )
⑴I'm hungry.____ A. She's running.
⑵What are you doing?____ B. He's making noodles.
⑶What are they doing?____ C. I'm hungry, too.
⑷What is she doing?____ D. They are rowing a boat.
⑸What is Sam doing?____ E. I'm reading a book.
关于酶的叙述,错误的是( )
下表是某生物小组在探究“根的什么部位生长最快?”的实验中记录的数据,从表中四组数据可以判断出哪一组是伸长区的生长数据?( )