下列变化属于物理变化的是( ) A.加热胆矾成白色硫酸铜粉末 B.氢氧化铁胶体加

题型:选择题

问题:

下列变化属于物理变化的是(    )

A.加热胆矾成白色硫酸铜粉末

B.氢氧化铁胶体加入硫酸镁产生沉淀

C.石墨在高温高压下转变成金刚石

D.盐酸使紫色石蕊溶液变红

考点:质量守恒定律阿伏加德罗定律晶体、非晶体
题型:选择题

LKJ在通常工作状态下,显示屏显示的速度曲线有()。

A.实际速度和限制速度

B.只有实际速度

C.只有限制限速

D.只有道岔和长期区段限制速度

题型:选择题

邪郁肺卫型丹痧的首选方剂是()

A.柴葛解肌汤

B.解肌透痧汤

C.宣毒发表汤

D.银翘散

E.凉营清气汤

题型:选择题
Recently, a couple in New Zealand were forbidden from naming their baby son 4Real. Even 小题1: New Zealand has quite free rules about 小题2: children, names beginning with a 小题3:  are not allowed. They decided to call him Superman 小题4: .
In many countries around the world, 小题5: names for children are becoming more popular. In Britain, you can call a child almost   小题6:  you like. The only restrictions on parents   小题7: to offensive(冒犯的) words such as swear words.
 小题8: parents choose names which come from 小题9: culture. For example, there have been six boys named Gandalf   小题10: the character in the Lord of the Rings(指环王) novels and films. 小题11: , names related to sport are fairly common – 小题12: 1984, 36 children have been called Arsenal(阿森纳) after the football team. Other parents like to 小题13: names, or combine names to make their own 小题14: names, a method demonstrated (证实的) by Jordan, the British model, 小题15: recently invented the name Tiaamii for her daughter by 小题16: names     Thea and Amy (the two grandmothers).
Some names which were previously 小题17: as old-fashioned have 小题18: popular again, but the most popular names are not the strange 小题19: . The top names are fairly   小题20: , for example, Jack, Charlie and Thomas for boys and Grace, Ruby and Jessica for girls.
小题21:
A.whenB.thoughC.inD.for
小题22:
A.calling B.raisingC.namingD.educating
小题23:
A.numberB.mark C.letterD.sign
小题24:
A.however B.insteadC.thus D.too
小题25:
A.unusual B.outstandingC.commonD.famous
小题26:
A.everythingB.somethingC.nothingD.anything
小题27:
A.relateB.to relateC.relating D.related
小题28:
A.Many of B.Some C.A great many ofD.Much
小题29:
A.current B.mysteriousC.popularD.present
小题30:
A.forB.afterC.byD.like
小题31:
A.EquallyB.WhereasC.IndeedD.However
小题32:
A.in B.sinceC.afterD.till
小题33:
A.make upB.make for C.make use ofD.make out
小题34:
A.well–known B.doubleC.fantasticD.unique
小题35:
A.whoB.whichC.that D.who that
小题36:
A.changingB.separatingC.combiningD.dividing
小题37:
A.thought of B.thought aboutC.thoughtD.thought over
小题38:
A.formed B.soundedC.becomeD.developed
小题39:
A.onesB.personalitiesC.charactersD.varieties
小题40:
A.convenient B.traditionalC.classicD.contemporary
题型:选择题

下面关于脂质体的叙述不正确的是

A.脂质体是将药物包封于类脂质双分子层内而形成的超微型球体

B.脂质体由磷脂和胆固醇组成

C.脂质体结构与表面活性剂的胶束相似

D.脂质体因结构不同可分为单室脂质体和多室脂质体

E.脂质体相变温度的高低取决于磷脂的种类

题型:选择题

邮路是指利用运邮工具或人力,按规定()在邮政生产机构之间运输邮件的路线。

A、途径

B、车号

C、班期

D、成本

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