下图表示细胞中5类化合物之间的关系,每一个椭圆形代表一种有机物,下列列出的5种化合物

题型:单项选择题

问题:

下图表示细胞中5类化合物之间的关系,每一个椭圆形代表一种有机物,下列列出的5种化合物①一⑤的名称中最合理的是()

A.维生素、脂质、酶、蛋白质、激素

B.维生素、脂质、激素、蛋白质、酶

C.酶、蛋白质、激素、脂质、维生素

D.激素、脂质、维生素、蛋白质、酶

考点:自然科学知识竞赛生物知识竞赛(综合练习)生物知识竞赛(综合练习)题库
题型:单项选择题

近代以来,科学技术是推动社会发展的重要因素。下列属于现代科技对人类的影响有(    )

①促进生产力发展      ②给人们的生活带来新变化

③扩大人们的信息量    ④冲击传统观念

A.①②③④

B.①②③

C.①③④

D.①②

题型:单项选择题

百日维新留下的惟一成果是[ ]

A.训练的新式海军    

B.刨办的京师大学堂  

C.废除了八股文      

D.创办的报刊

题型:单项选择题

目前,个人征信系统数据的直接使用者不包括( )。

A.司法部门

B.金融监督管理机构

C.数据主体本人

D.个人所在公司

题型:单项选择题

在建设工程施工阶段,为了减少或避免工程延期事件的发生,监理工程师应( )。

A.提醒业主履行施工合同中的职责

B.及时支付工程进度款

C.及时提供施工场地及设计图纸

D.及时供应建筑材料及设备

题型:单项选择题

第二节完型填空(共20小题;每小题1.5分,满分30分)

阅读下面短文,撑握其大意,然后从36—55各题所给的四个选项(A、B、C和D)中,选出最佳选项

Time is the easiest thing in the world to waste—the most difficult to control. When

you look ahead, it may appear you have 36        you need. Yet it has a way of slipping 37        your fingers like quicksand. You may suddenly find that there is no way to stretch the little time you have 38        to cover all your obligations. For example,

39           a beginning student looking ahead to a full term you may feel that you have an oversupply of time on your hands.40         toward the end of the term you may be

41         because you are running out of time. How can you do? —Control!

Time is 42        . If you don't control it, it will control you. If you don't make it work for you, it will 43        you. You must become the master of time, not the servant. “Study hard and play hard” is an old saying, but it still 44       . You have plenty of time for classes, study, work, and play if you use your time 45        . It is not how much time you 46          for study that counts but how much you learn when you do study.

Too much wasted time is 47         medicine. The more time you waste, the easier it is to continue wasting time. Soon, doing nothing becomes a habit you can't 48        . You will be 49        to wasting time. When this happens, you 50       your feeling of accomplishment and you fall by the wayside. A full schedule is a good schedule. Some students 51          to hear the time message. They refuse to 52        the fact that college life demands some53             of time control. There is no escape. So what's the next step? If you seriously want to get the time message, the next passage will give it to you. 54           — it will not only improve your grades but also free you to        55         college life more.

36.A.less than            B.more than         C.rather than        D.other than

37.A.by                B.between           C.through           D.on

38.A.saved            B.left               C.remained          D.wasted

39.A.since              B.because            C.for              D.as

40.A.Although          B.But                C.Therefore         D.Otherwise

41.A.angry             B.brave              C.worried           D.eager

42.A.money            B.friendly            C.enough           D.dangerous

43.A.work out           B.work on           C.work at            D.work against

44.A.makes sense         B.makes no use        C.makes up          D.makes it

45.A.immediately        B.properly            C.apparently         D.shortly

46.A.allocate            B.spend              C.save              D.take

47.A.bad               B.good           C.useful             D.alternative

48.A.get along with      B.get close to         C.get rid of          D.get down to

49.A.crazy              B.achieve             C.catch              D.lose

51.A.hesitate            B.refuse              C..like              D.want

52.A.accept             B.receive            C.ignore             D.imagine

53.A.disagreement        B.agreement         C.degree             D.standard

54.A.Forget             B.Remind           C.Think             D.Remember

55.A.hate               B.enjoy              C.dislike             D.assess

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