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- 1在梯形ABCD中AD平行BC,∠A=90°,AD=21cm,BC=24cm,点E从点A开始沿AD边向D点以每秒1cm的速度移动,点F从点C开始沿CB边向B点以每秒2cm的速度移动,若点E,F分别从点A,C同时出发问他们移动多长时间时,梯形E
- 2he is always the first student to school对吗,还是the first student to get to school
- 3Model The room is 15 metres long The room is 15 metres (in) (length)
- 4如图,每个小方格都是边长为1的小正方形,△ABC的位置如图所示,你能判断△ABC是什么三角形吗?请说明理由.
- 5but I didn't have time to take them off when I fell
- 6They have been skating for five hours 同义句 They have been skating_______ _____ ________ ______
- 7仿句 :书籍如一把钥匙,帮助我们开启心灵的智慧之门
- 8下列由四舍五入得到的近似数,各精确到哪一位,各有几个有效数字?(1)56.8 (2)0.00108 (3)8.5万
- 9____is a language used by most number of people in the word.A. Chinese B. English C.French
- 102句有关珍惜时间勤奋学习的名言警句或谚语(记住哦,是一个句子内包含这两样)