A:①④
B:①②④
C:①③④
D:①②③④
30:5=____ 75:30=____ 0.25:12.5=____ 0.45:9=____
12 : 35 =____ 76 : 23 =____ 10厘米:3米=____
用所给单词填空
(1)Sometimes we ____ food at home. (2)I ____ drinking milk. (3)We often ____ CCTV news at 7:00 in the evening. (4)I ____ the Internet once a day.(5)The results for “read English books”____ fun.(6)How often do you ____ to the English corner? (7)Everyone will____ you if you need any help.(8)The sun ____ once a day. (9)Walking can ____ you in good health.(10)I____ nine hours every night.
下图是“三角贸易”示意图,它是人类历史上悲惨耻辱的一页。对“三角贸易”理解正确的是 ( )
①促进了欧洲资本主义的发展
②造成了非洲长期的落后
③给美洲提供了大批劳动力
④最先进行“三角贸易”的是英国