【单选题】听力原文:M: Good morning, have you anything to declare? W: No, I've only been abroad for a few days. That's why I came through this gate. Q: Where did the conversation most probably take place? (3)
B.
At a department store.
D.
At an insurance company.
【简答题】用热导池检测器分析仅含有甲醇,乙醇,丙醇的某试样,测得结果如下表,试求各组分含量? 组分 甲醇 乙醇 丙醇 峰高/mm 80 100 70 半高峰宽/mm 2 1 2 校正因子 1.16 1 0.75
【多选题】水稻进行种子处理,以下晒种的优点正确的有( )。
【单选题】杭州司机吴斌驾车行驶途中被异物击中身负重伤,在生命的最后一分钟,他以超乎常人想象的毅力,将公交大巴车靠边停稳,拉住手刹,亮起双闪,打开车门,甚至还叮嘱乘客“别乱跑”。英雄的壮举主要源自他
【单选题】杭州司机吴斌驾车行驶途中被异物击中身负重伤,在生命的最后一分钟,他以超乎常人想象的毅力,将公交大巴车靠边停稳,拉住手刹,亮起双闪,打开车门,甚至还叮嘱乘客“别乱跑”。英雄的壮举主要源自他