下列各组离子中,在给定条件下能大量共存的是( ) A.在滴加石蕊试液显红色的溶液

题型:选择题

问题:

下列各组离子中,在给定条件下能大量共存的是(  )

A.在滴加石蕊试液显红色的溶液中:Fe2+、K+、NO3-、Cl-

B.在pH为1的溶液中:Cu2+、Na+、Mg2+、NO3-

C.在pH为13的溶液中:K+、HCO3-、Br-、Ba2+

D.在常温时由水电离产生的c(H+)=1.0×10-13mol•L-1的溶液中:Na+、NH4+、HCO3-、SO42-

考点:离子共存
题型:选择题

促成中国文明内聚性的最重要因素,是孔子创立的儒家学说。孔子创立的儒家学说的核心是

①仁    ②为政以德    ③兼爱    ④无为而治

A.①②

B.③④

C.①③

D.②④

题型:选择题

向外商转让上市公司国有股和法人股须在( )范围内进行。

A.向外商转让上市公司国有股和法人股,应当符合《外商投资产业指导目录》的要求

B.凡禁止外商投资的产业,上市公司的国有股和法人股不得向外商转让

C.必须由中方控股或相对控股的,转让后应保持中方控股或相对控股地位

D.国有股和法人股总市值不能超过公司总资产的80%

题型:选择题

植物依靠______进行的繁殖,叫做营养生殖.其常用的方法有______、______、______.

题型:选择题

第二节 完形填空(共20小题,每小题1.5分,共30分)   

阅读下面短文,掌握其大意,从每题所给的A、B、C、D四个选项中,选出最佳选项并在答题卡上将该项涂黑。

More good things come from small things

About a year ago, a couple with three children moved into the apartment next door to me.

I never heard any  36 from the children, but the parents were always shouting at the kids.

We  37 often in the hallways when we were coming or going. I  38 spoke, but the only   39 I ever got was a hello from the four – year – old girl.

I usually go out for breakfast and one day when I  40 they were just coming from their apartment and the little girl was holding the door   41 for the others. I  42 in the car doing unnecessary things because I didn’t like to be snubbed(冷落). The parents were   43 her to hurry and get in the car, I looked up and saw the little girl was   44 holding the door open,  45 for me.

I hurried as much as I could and   46 her. She was smiling from ear to ear. That afternoon I saw a white toy bear, I   47 the little girl and said to myself, “I   48 she would like that” so I bought it. I wrote a note   49 how much her act of kindness had touched a soft spot in an old man’s   50 .

The next day there was a   51 on the door and   52 was the little girl and her father. She was so proud of her bear and thanked me. Then I   53 her mother and the other children were there in the hall too. The mother and father both thanked me.

Now when we meet in the hall we all speak, and in a   54 manner, I might add.  55 time

passes, I don’t hear that shouting as often. In fact, hardly at all. 

36.A.sound                 B.noise                   C.conversation        D.crying

37.A.met                    B.saw                     C.visited                 D.gathered

38.A.never                  B.sometimes           C.seldom                D.always

39.A.reward                B.action                 C.answer                D.prize

40.A.moved                B.returned              C.started                 D.drove

41.A.open                   B.closed                 C.fit                       D.active

42.A.stopped               B.kept                    C.worked               D.remained

43.A.suggesting           B.telling                 C.forcing                D.making

44.A.ever                    B.even                   C.still                     D.yet

45.A.waiting               B.calling                C.leaving                D.asking

46.A. replaced             B.encouraged          C.ignored               D.thanked

47.A.thought about      B.thought of           C.thought over        D.thought out

48.A.decide                 B.am lucky             C.am sure               D.doubt

49.A.saying                 B.stating                C.reporting             D.writing

50.A.mind                  B.body                   C.thought               D.heart

51.A.hit                      B.knock                 C.drop                   D.beat

52.A.she                     B.it                        C.they                    D.he

53.A.noticed               B.watched              C.recognized           D.felt

54.A.kindly                 B.politely               C.coldly                 D.friendly

55.A.When                 B.Since                  C.As                      D.While

题型:选择题

记忆干扰的两种表现是_______和________。

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