读图,完成
七大洲中纬度最高的大洲是( )
A:亚洲
B:非洲
C:北美洲
D:南极洲
明代中期以后,私营手工业在很多行业中超过占主导地位的官营手工业。这主要是因为
根据句意,用括号内所给单词的适当形式填空(1)A glass is used for ____ (drink) water.(2)What is the most ____ (use) invention in the world?(3)Do you know the ____ (heat) ice cream scoop?(4)This kind of bicycle was____ (invent) by a middle school student.(5)What do you think of these ____ (invent)?
在分层设色地形图上,高原一般用什么颜色表示( )
两架飞机,东西相距一万千米,同时从赤道起飞,以同样的速度、同样的高度一直向北飞行,其结果是( )