题目

一个梯形，上底长3厘米，下底长5厘米，高3厘米，缩短下底，使下底变为3厘米，这时，这个图形变为（）。 A . 梯形 B . 长方形 C . 正方形 D . 平行四边形 答案：D根据对话内容，在每个标有题号的空白处填入一个适当的句子，使对话完整，合乎情景。 A：May I ask you some questions? B：  1   A：  2     B：It's very interesting．It is the most useful language in the world．It is widely used all over the world． A：I think you speak English very well．  3   B：Thank you．But I have studied English for only two years． A：Do you often speak English? B：Yes，I try my best to speak more English with others． A：Do you think it difficult? B：   4   ．But I think if you put your heart into it，it will be easy． A：   5   B：I like it just because I like my English teacher．