摘要：对话读三遍. Woman: Good morning, Mr. Black’s office. How can I help you? Man: Good morning, I’d like to speak to Mr. Black, please. Woman: I’m sorry he is not in at the moment. I’m his secretary. Can I take a message? Man: OK. My name is Tom Smith, that’s T-O-M, Tom. S-M-I-T-H, Smith. From Evergreen Travel Agency. I’m calling to tell Mr. Black about his trip to Australia. He’s booked on Flight No. B-A-1-2-7-9 to Sydney on Monday. That’s July 6th. The flight leaves from Gate 1, at 10:30. Woman: Gate 1, 10:30. Got it. Man: But he must be there at least two hours before to check it. Woman: And how will he get his ticket? Man: Oh, we’ll send it around this afternoon. But if there is any problem, he can call me at 63421345. Woman: 63421345. OK. I’m sure he will get the message. Man: Thank you. Goodbye. Woman: Goodbye. 听力测试到此结束.请同学们继续完成其它试题. 本资料由 提供!
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下列实验基本操作或事故处理，正确的是
- A.为了节约药品，将用剩的药品放回原试剂瓶
- B.把鼻子凑到容器口去闻气体气味
- C.玻璃仪器用水冲洗三遍就可以
- D.使用托盘天平称量物质时，砝码要用镊子夹取
28、实验台上有图示的下列仪器：
师生就如何选择仪器进行实验展开交谈．现节录其中三则对话，请你填空：
①老师：用所给仪器组装过滤装置还缺少的一种仪器 甲同学：
②老师：制取较纯的氧气不需要用到的仪器 乙同学：
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师生就如何选择仪器进行实验展开交谈．现节录其中三则对话，请你填空：
①老师：用所给仪器组装过滤装置还缺少的一种仪器 甲同学：
烧杯
②老师：制取较纯的氧气不需要用到的仪器 乙同学：
漏斗
、玻璃棒
（写仪器名称）
某探究小组的同学对金属的性质很感兴趣，进行了如下探究．