1编号:29855题型:单选题测试正确率:70.28%
—What about hiking this Sunday?—Great. I’d like with you.
2编号:29854题型:单选题测试正确率:75.41%
—It’s very hot outside.—Why you stay at home?
3编号:29853题型:单选题测试正确率:14.21%
—Hello, Jack. How are you doing?— .
4编号:29852题型:单选题测试正确率:60.84%
—How was your vacation,Mark?— .
5编号:29851题型:单选题测试正确率:51.3%
—Is it snowing?—No, it’s .
6编号:29850题型:单选题测试正确率:75.52%
— the weather like in Moscow?—It’s raining.
7编号:29849题型:单选题测试正确率:72.35%
— is the weather in New Zealand?—It’s sunny and warm.
8编号:29848题型:单选题测试正确率:49.7%
类比延伸:把图(2)中的正方形都换成矩形,如图(3),且DA:AB=HA:AE=m:n,请探究HD:GC:EB的值. 解题思路:类比第2题,可证△ADH和△ABE的关系是 ,则HD:EB= ;其次,连接AC,AG,则△ABC和△AEG的关系是 ,则△AGC和△AEB的关系是 ,则GC:EB= ;最后,HD:GC:EB= . 以上横线处,依次所填正确的是( ) ①相似;②全等;③m:n;④n:m;⑤;⑥;⑦;⑧
9编号:29847题型:单选题测试正确率:58.23%
尝试探究:将图(1)中的正方形AEGH绕点A旋转一定角度,如图(2),请探究HD:GC:EB的值.解题思路:首先,可证△ADH≌△ABE,则HD:EB= ;其次,连接AC、AG,则△AGC和△AEB的关系是 ,则GC:EB= ;最后,HD:GC:EB= .以上横线处,依次所填正确的是( )①1:1;②;③全等;④相似;⑤3:2;⑥;⑦2:6:3;⑧;
10编号:29846题型:单选题测试正确率:68.9%
如图(1),正方形AEGH的顶点E,H在正方形ABCD的边上,则HD:GC:EB的结果是( )
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