∠E=30°,则∠F=____.
利用椋鸟防治蝗虫,体现了动物在自然界中起的重要作明是( )
— What wonderful music!
— Thanks. Neither my classmates nor my mother ______ the piano better than me.
You have to leave now_______ you can catch the early bus.
给划线的字选择正确的释义
①莫名其妙____
A.好;美妙
B.神奇;巧妙;奥妙
②座无虚席____
A.空虚
B.徒然,白白地
C.虚心
D.空着
E.虚假
③大同小异____
A.共同;一齐
B.跟……相同
C.相同;一样