题目

探究燃烧条件的实验装置如图所示 (1)由该实验得出，可燃物燃烧的条件是： ①                     ； ②                     ； (2)实验中使用了铜片，主要是利用铜的           性。 答案：(1)①与氧气或空气接触②温度达到着火点（3）导电性    评分说明：(1)①将氧气的名称写成化学式也可②温度达到可燃物燃烧的最低温度也可 情景对话 根据对话情景和内容，从对话后所给的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 　　Rose：What do you think makes a person read a newspaper article? 　　Lucy：　　1　　 　　Rose：Why do you say that? 　　Lucy：The headline is bigger than the rest of the text, so it draws people's attention． 　　Rose：　　2　　 However, I often wonder if the headline presents enough information to the readers． 　　Lucy：The headline usually tells you the most important information from the article．Isn't that enough? 　　Rose：　　3　　 　　Lucy：I suppose so, exactly． 　　Rose：　　4　　 　　Lucy：I just write for a local newspaper．It's quite a small office but I love my job． 　　Rose：Would you like to write for a national newspaper? 　　Lucy：I hope so．　　5　　 　　Rose：Oh, I already write for a national magazine．I love my job． 　　Lucy：Me, too． A．If the headline was longer, then nobody would read the article． B．What do you usually write for a newspaper? C．So which newspaper do you write for? D．I don't agree with you． E．How about you? F．I think the headline is quite important． G．I agree with you．