问题 问答题 简答题

从视运动的角度分析地球上的四季递变

答案

参考答案:

由于地球是倾斜着自转和公转,并在其间倾斜角度不变,地轴与轨道面夹角始终是66°34´,赤道面与轨道面之间为23º26´,这样在地球的公转轨道过程中,太阳的直射点在地球表面上移动,范围为±23º26´,地球的这种直运动,反映在天球上就是太阳在天球上的周年视运动或回归运动,太阳回归运动的范围为赤道南北23º26´(2)当δ=0º时,太阳位于春分点或秋分点,直射赤道,这时南北半球获得热量相等,总体上表现为春季(北半球)秋季(南半球),当太阳向北移动式时,即δ增大时,北半球获热大于南半球,并在δ=23°26´时达到最大,这时北半球为夏季,南半球为冬季,当δ--23°26´时,南半球获热多于北半球,南半球为夏季,北半球为冬季,当δ==0°时,南北半球热量又相当,总体上又表现为秋季或春季,所以当太阳在赤道南北往返运动一周,地球就完成一个四季交替。

阅读理解

Do you find getting up in the morning so difficult that it’s painful? This might be called laziness, but Dr. Kleitman has a new explanation. He has proved that everyone has a daily energy cycle.

During the hours when you labor through your work you may say that you’re “hot”, that’s true. The time of day when you feel most energetic is when your cycle of body temperature is at its peak(最高峰). For some people the peak comes during the forenoon. For others it comes in the afternoon or evening. No one has discovered why it is so, but it leads to such familiar monologues(自言自语)as: “Get up, John! You’ll be late for work again!” the possible explanation to the trouble is that John is at his temperature—and—energy peak in the evening. Much family quarrelling ends when husbands and wives realize what these energy cycles mean, and which cycle each member of the family has.

You can’t change your energy cycle, but you can learn to make your life fit it better. Habit can help, Dr. Kleitman believes. Maybe you’re sleepy in the evening but feel you must stay up late anyway. Counteract(对抗)your cycle to some extent by habitually staying up later than you want to. If your energy is low in the morning but you have an important job to do early in the day, rise before your usual hour. This won’t change your cycle, but you’ll get up steam and work better at your low point.

Get off to a slow start which saves your energy. Get up with a leisurely yawn(呵欠)and stretch. Sit on the edge of the bed a minute before putting your feet on the floor. Avoid the troublesome search for clean clothes by laying them out the night before. Whenever possible, do routine work in the afternoon and save tasks requiring more energy or concentration for your sharper hours.

小题1:If a person finds getting up early a problem, most probably ______.

A.he is a lazy person       

B.he refuses to follow his own energy cycle

C.he is not sure when his energy is low

D he is at his peak in the afternoon or evening

小题2: Which of the following may lead to family quarrels according to the passage?

A.Not knowing about the energy cycle

B.Familiar monologues

C.A change in a family member’s energy cycle

D.Attempts to control the energy cycle of other family members小题3:If one wants to work more efficiently at his low point in the morning, he should ______.

A.change his energy cycle

B.overcome his laziness

C.get up earlier than usual

D.go to bed earlier小题4:You are advised to rise with a yawn and stretch because it will ______.

A.help to keep your energy for the day’s work

B.help you to control your temper early in the day

C.enable you to concentrate on your routine work

D.keep your energy cycle under control all day

问答题

某市政设施工程全部由政府投资兴建。该项目为该省建设规划的重点项目之一,且已列入地方年度固定投资计划,概算已经主管部门批准,征地工作尚未全部完成,施工图纸及有关技术资料齐全。现决定对该项目进行施工招标。招标人在国家级报刊发布招标公告。因估计除本市施工企业参加投标外,还可能有外省市施工企业参加投标,故招标人委托咨询单位编制了两个标底,准备分别用于对本省和外省市施工企业投标价的评定。招标人于2004年8月5日向具备承担该项目能力的A、B、C、D、E 5家承包商发出资格预审合格通知书,其中说明,8月10日~11日在招标人总工程师室领取招标文件,9月5日14时为投标截止时间。该5家承包商均领取了招标文件。8月18日招标人对投标单位就招标文件提出的所有问题统一作了书面答复,随后组织各投标单位进行了现场踏勘。9月5日这5家承包商均按规定的时间提交了投标文件。但承包商A在送出投标文件后发现报价估算有较严重的失误,遂赶在投标截止时间前半小时递交了一份书面声明,撤回已提交的投标文件。
开标时,由招标人委托的市公证处人员检查投标文件的密封情况,确认无误后,由工作人员当众拆封。由于承包商A已撤回投标文件,故招标人宣布有B、C、D、E 4家承包商投标,并宣读该4家承包商的投标价格、工期和其他主要内容。
评标委员会委员由招标人直接确定,共由7人组成,其中招标人代表2人,技术专家3人.经济专家2人。
按照招标文件中确定的综合评标标准,4个投标人综合得分从高到低的依次顺序为B、C、D、E,故评标委员会确定承包商B为中标人。由于承包商B为外地企业,招标人于9月8日将中标通知书寄出,承包商B于9月18日收到中标通知书。最终双方于10月13日签订了书面合同。

问题:


根据《招标投标法》的有关规定,判断该项目在招标投标过程中有哪些不妥之处,并说明理由。