【简答题】补全对话。 Harry, Jordan and William are talking about something. H: Hi, Jordan! 1 . J: I'm looking at these things. What do you think of them? H: Well…Hm... 2 . I think they're cool. W: I don't like sungl...
【单选题】下列实验操作或说法错误的是
B.
蒸馏时,温度计水银球应靠近蒸馏烧瓶的支管口处
C.
分液时,分液漏斗中下层液体从下口放出,上层液体从上口倒出
D.
焰色反应时,用稀硫酸洗净铂丝,并在火焰上灼烧至无色
【简答题】一位朋友曾颇有感触的谈起一段经历:他有很长时间都会在其生日和节庆日的时候收到一家公司有CEO签名贺卡工活动邀请函等,他当时想这家公司应该是极其尊重客户,极其珍视与客户的关系,他对这家公司的印象一直很好。但是有一次,他遇到了问题,首先向这家公司服务人员连发了两封E-maii请求帮助时,却未得到回复,然后又按照贺卡的E—maii地址,向这家公司CEO发信,同样连发两封信仍未得到回音,这让他感到非常的失...
【单选题】听力原文:M: Do you ever know what Harry is talking about? W: Never, he always beats around the bush. M: Do you think Mark took your bike? M: Yes, but I think it was a mistake. He'd never have taken them o...
C.
He doesn't speak to the point.