2002年，国家旅游局颁布了《导游人员管理条例》。( )

交货质量检验中的产品质量应满足规定用途的特性指标，因此合同内必须约定产品应达到的质量标准。约定质量标准的一般原则包括（）。

A.无国家标准而有部颁标准的产品，按企业标准执行

B.按颁布的国家标准执行

C.无国家标准而有部颁标准的产品，按部颁标准执行

D.没有国家标准和部颁标准作为依据时，可按企业标准执行

E.虽有某一标准但采购方有特殊要求时，按双方在合同中商定的技术条件、样品或补充的技术要求执行

某建设单位和施工单位按照《建设工程施工合同》(示范文本)签订了施工合同，合同中约定：建筑材料由建设单位提供；由于非施工单位原因造成的停工，机械补偿费为200元/台班，人工补偿费为50元/工日；总工期为120天；竣工时问提前奖励为3000元/天，误期损失赔偿费为5000元/天。经项目监理机构批准的施工进度计划如图5—1所示。

图5—1施工进度计划(单位：天)

施工过程中发生如下事件。

事件1：工程进行中，建设单位要求施工单位对某一构件做破坏性试验，以验证设计参数的正确性。该试验需修建两间临时试验用房，施工单位提出建设单位应该支付该项试验费用和试验用房修建费用。建设单位认为，该试验费用属建筑安装工程检验试验费，试验用房修建费属建筑安装工程措施费中的临时设施费，该两项费用已包含在施工合同价中。

事件2：建设单位提供的建筑材料经施工单位清点入库后，在专业监理工程师的见证下进行了检验，检验结果合格。其后，施工单位提出，建设单位应支付建筑材料的保管费和检验费；由于建筑材料需要进行二次搬运，建设单位还应支付该批材料的二次搬运费。

事件3：①由于建设单位要求对B工作的施工图纸进行修改，致使B工作停工3天(每停一天影响30工日，10台班)；②由于机械租赁单位调度的原凶，施工机械未能按时进场，使C工作的施工暂停5天(每停一天影响40工日，10台班)；③由于建设单位负责供应的材料未能按计划到场，E工作停工6天(每停一天影响20工日，5台班)。施．工单位就上述三种情况按正常的程序向项目监理机构提出了延长工期和补偿停工损失的要求。

事件4：在工程竣工验收时，为了鉴定某个关键构件的质量，总监理工程师建议采用试验方法进行检验，施工单位要求建设单位承担该项试验的费用。

该工程的实际工期为122天。

[问题]

事件4中试验检验费用应由准承担

阅读理解。

     This is a dangerous world we live in. The number of murders goes up every year, people are dying

of cancer, more people contract HIV, more teens are using drugs, etc. You know this because you have

heard all the statistics (数据) on the news and in the paper. But do you really have a clear idea what they mean? The numbers are growing up, but how do they compare to the growth in population? The fact is

 that without knowing the background statistics mean very little.

     This growing trend of reporting only part of the information is becoming dangerous. For example,

several years ago a high school student reported the dangers of the chemical known as dihydrogen

monoxide. This chemical, found in most cancerous tumors(肿瘤), is often found in the blood of people

drunk on alcohol, and causes complete physical and mental dependence. After reading his report, more

than 75% of the students voted to forbid this dangerous chemical! Every one of the above statements is

true, yet this chemical is necessary to all life on earth. The students made the mistake because they only

knew a few statements and statistics, rather than the chemical's full background.

     The point of this article is that one should be aware of what is and is not being said. When one finds

a new fact or number, one should try to consider other important information. Always remember that

the author is trying to persuade you of his or her own view, and will leave out (省略) information that is

different to his view. If we teenagers are to be left in this world, we had better be able to think critically

(批判地), and form our own views, rather than be easily persuaded by another's.

1. In the first paragraph, what problem does the writer want to warn us?

A. We are now living in a dangerous world.

B. We get a lot of false statistics from the media.

C. Statistics alone without full background doesn't give us exact pictures of things.

D. There are around us more and more murders, diseases, etc.

2. Why does the writer use the example in the second paragraph?

A. To argue that high school students are easily persuaded.

B. To show the danger of reporting only part of the information.

C. To prove what is necessary to us might be dangerous.

D. To warn us of the harmful chemicals around us.

3. Some information is often left out because ________.

A. it is not that important

B. too much information will make readers feel confused

C. the author is trying to show what he or she says is true

D. readers are not able to analyze so much information at once

4. What conclusion can we draw from the passage?

A. We should learn to think critically and look at problems from all sides.

B. Some measures must be taken to protect our dangerous world.

C. The growing trend of reporting only half-truths is getting out of control.

D. Teenagers ought to improve their ability of telling right from wrong.

下列哪项是G2/M检测点的核心？（）

A.CyclinD

B.CDK2

C.CyclinBl

D.cdc2

E.CDK4

某患者，刷牙时牙龈出血半年，检查：牙面菌斑量多，牙龈色红，探诊出血，初步印象为慢性龈缘炎，为与早期牙周炎鉴别，最重要的临床检查是

A．探诊深度

B．龈沟液量

C．拍全口曲面断层X线片

D．牙动度

E．有无附着丧失