- 已知直线 1 和 x-y+1=0 关于直线 x=-2 对称，则 1 的斜率为 =____
- 已知平面向量 a=(1,2),b=(-2,3)，2a+3b=_____
- 苏轼《念奴娇(大江东去)》中“___ ”一句，写的是周瑜的儒将装束，“ ___”一句，表明了周瑜的赫赫战功。
- 韩愈的《师说》是写给少年李蟠的。文末所说的“_______”，点出李蟠的文章爱好，而“____ ”，则说明李蟠的儒学素养。
- 《论语·为政》中“____________________,________________”两句指出，成为教师的条件是温习学过的知识进而又能从中获得新的理解与体会。
- The children have some apples.(改为单数句子)____________________________________
- We can see some birds over there.(对画线部分提问)_________________________________________
- Look out of the window.(改为否定句)______________________________
- The boys are sitting under the tree.(对划线部分提问 )___________________________________________
- We are making a model plane.(变成一般疑问句 )______________________________________
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