2014年成人高考高升本每日一练(1月18日)
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3、现有4种无色透明溶液:K2CO3、BaCl2、K2SO4、K2SO3,用一种试剂就能把它们区分开来的试剂是__________。
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简答题
5、 如图5—17所示,在竖直平面内有一光滑的圆形轨道,轨道半径为尺,一个小球可在轨道内侧做圆周运动,且在通过圆周顶端的A点时不脱离轨道掉下来.
(1)小球通过A点的小速度V0为多大?
(2)在小球以速度V0通过A点的情况下,小球运动到B点时对轨道的压力F为多大?
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9、无乃尔是过与?夫颛臾,昔者先王以为东蒙主,且在邦域之中矣。(《李氏将伐颛臾》)无乃尔是过与:
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回答题
根据中文提示,将对话中缺少的内容写在线上。这些句子必须符合英语表达习惯。
打句号的地方,用陈述句;打问号的地方,用疑问句。
提示:Jackson夫人给Ellis打电话说在Ellis牙医诊所刚刚镶的牙疼得很厉害,Ellis说
刚镶过的牙在一开始都会疼痛。Jackson夫人说可能是牙镶得不合适,她的下额部疼得受
不了。Ellis说可以稍微调整一下,并问Jackson夫人什么时候来他的诊所。Jackson夫人
说她马上就来。两人后商定Jackson夫人11:00到Ellis诊所就诊。
Ellis:Good morning.Dr Ellis office.
Jackson: 51 .May I please speak with the doctor?
Ellis:Mrs Jackson.Dr Ellis here.How’s that new tooth?
Jackson:Not so good,doctor.That's what I'm calling about.It just doesn't seem to fit fight.
Ellis:Well,that's to be expected during the first few days after it has been put in.Have
you been leaving it in as I told you?
Jackson:Well,52 ,doctor,especially when I eat.
Ellis:I understand,Mrs Jackson.It hums in the beginning,I know.But it's really better
to leave it in,except when you clean it,of course.
Jackson:Well,I did it first,doctor,but my jaws hurt SO much that I just couldn’t
53 .
Ellis-Well,maybe we can adjust(调整)it a little more.
Jackson:Adjust it?
Ellis:Yes, 54 ?
Jackson:Oh,fight away,doctor,if you don’t mind.
Ellis:Let me see.55 ?
Jackson:Oh,yes,doctor,I can make it.Thank you.See you then.
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