将市场调查分为探测性调查、描述性调查、因果性调查和预测性调查,是根据( )划分的。

题型:单项选择题

问题:

将市场调查分为探测性调查、描述性调查、因果性调查和预测性调查,是根据( )划分的。

A.调查间隔的时间
B.调查的基本方法
C.调查的目的性
D.调查的空间范围

考点:初级商业经济初级商业经济专业知识与实务
题型:单项选择题

12岁男孩,近2个月来出现言语不清。书写困难。查体:面部表情呆板,肢体震颤、双上肢肌张力增高,角膜见K-F环,肝右肋下2cm,质中等。

目前该病人最重要的治疗措施为()

A.限制铜的摄入

B.护肝治疗

C.左旋多巴减轻震颤

D.青霉胺、硫酸锌等

E.输注白蛋白

题型:单项选择题

试验处理

题型:单项选择题
Water costs money.In some places water is hard 16  .What 17  when a town has these problems?A small town in California found a happy  18  .
  Very 19 rain  fell there.The town had no water  of its 20 .The water it used was  21  from a river 300 miles away.As more people   22  live in the town,   23   water was needed.Now water   24  to be brought in from 600 miles away.All these cost  25  money.
  The town 26 a plan.It found 27   to clean its “dirty” water.Once the cleaned water was reused  28  many ways.Five  29  lakes were built.Here people could swim and fish and go   30  .They  31 have picnics in their new parks.Farmers had more water 32  their crops.New factories can be built,because they have  33 .
  In most places,water is used and thrown 34 .The town that saved  35  water has saved the town!
小题1:
A.supplying B.gettingC.to getD.to supply
小题2:A.happens  B.happening  C is happened  D.happened
小题3:A.key     B.answer     C answering  D.way
小题4:
A.littleB.a littleC.fewD.a few
小题5:A. itself   B. own    C.it       D it’s
小题6:
A.fetchB.takeC.brought inD.guided
小题7:
A.come toB.came toC.coming toD.came for
小题8:
A.manyB.plenty ofC.more D.many more
小题9:
A.has B.hadC.must D.needed
小题10:
A.manyB.a fewC.a great manyD.a lot of
小题11:
A.put B.made C.supplyD.noticed
小题12:
A.a wayB.wayC.an answerD.a key
小题13:
A.forB.byC.atD.in
小题14:
A.man-makingB.man-makeC.man-madeD.man made
小题15:
A.boatingB.to boatC.to boatingD.on boating
小题16:
A.mustB.couldC.neededD.had to
小题17:
A.asB.withC.forD.to
小题18:
A.waterB.enough waterC.crops enoughD.enough crops
小题19:
A.offB.ofC.awayD.out of
小题20:
A.it’sB.itsC.one’sD.his
题型:单项选择题

以下有关苷键裂解的说法错误的是()

A.苷键具有缩醛结构,易为稀酸催化水解

B.苷键原子易接受质子的苷键易酸催化水解

C.苷键原子不易接受质子的苷键易酸催化水解

D.酶催化水解专属性高,条件温和

E.碱催化水解多用于酯苷和酚苷的水解

题型:单项选择题


阅读下面的叙述,回答问题1至问题5,将解答填入对应栏内。
【说明】
在实施网络工程监理时,承建方在一台计算机上安装Windows 2000服务器及相应的服务组件。

【问题1】
安装Windows服务器时,承建方将分区格式化NTFS格式,而未格式化成FAT格式,请问NTFS的主要优点有哪三个方面

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