题型:问答题 简答题 A White House plane ________ Beijing on March 19, 2014 and US First Lady Michelle Obama started her ________ visit to China. A.reached; seven daysB.landed in; seven-dayC.has arrived in; seven-dayD.has got to; seven days 查看答案
题型:问答题 简答题 列方程解应用题:初一(1)班同学共有45人,在学习几何图形时,同学们利用硬纸片做了很多立体图形模型,课代表统计时发现,恰好男生每人平均做4个,女生平均每人做5个,且男、女生做的数量相等,请问这个班有多少名男生? 查看答案