在△ABC中,2B=A+C,且b=2,则△ABC的外接圆的半径R=.

倒数等于本身的有理数是______，平方等于本身的有理数是______，立方等于本身的有理数是______．

请在下列句子中选出字形有错误的一项

A．励精图治器宇轩昂高潮迭起明火执仗衣衫褴褛/蓝缕

B．铁杆球迷摒弃偏见彬彬有理一鼓作气草菅人命

C．水乳交融恰如其分清风夜唳喟然长叹精/筋疲力竭

D．光阴不再 因地制宜纷至沓来备尝艰辛洗练/炼

气道阻力增加，PSG检查反复出现ａ醒觉波，夜间醒觉>10次/小时，睡眠连续性，有疲劳及白天嗜睡，可有或无明显鼾声，无呼吸暂停和低氧血症（）

A.原发性鼾症

B.上气道阻力综合征

C.发作性睡病

D.阻塞性睡眠呼吸暂停综合征

E.混合性睡眠呼吸暂停综合征

阅读下文，完成文后各题。

“不违农时，谷不可胜食也。数罟不入洿池，鱼鳖不可胜食也。斧斤以时入山林，材木不可胜用也。谷与鱼鳖不可胜食，材木不可胜用，是使民养生丧死无憾也。养生丧死无憾，王道之始也。”

“五亩之宅，树之以桑，五十者可以衣帛矣。鸡豚狗彘之畜，无失其时，七十者可以食肉矣；百亩之田，勿夺其时，数口之家，可以无饥矣；谨庠序之教，申之以孝悌之义，颁白者不负戴于道路矣。七十者衣帛食肉，黎民不饥不寒，然而不王者，未之有也。”

“狗彘食人食而不知检，途有饿殍而不知发。人死，则曰：‘非我也，岁也。’是何异于刺人而杀之，曰：‘非我也，兵也。’王无罪岁，斯天下之民至焉。”

“狗彘食人食而不知检，涂有饿莩而不知发；人死，则曰：‘非我也，岁也。’是何异于刺人而杀之，曰：‘非我也，兵也?’王无罪岁，斯天下之民至焉。”

——《孟子•梁惠王上》小题1:下列句中加点的词语解释错误的一项是

A．数罟不入洿池（数罟：密网）

B．五亩之宅，树之以桑（树：树木）

C．七十者衣帛食肉（衣：yì，穿）

D．鸡豚狗彘之畜（豚：小猪彘：猪）小题2:下列加点的虚词意义用法不同的一组是

A．五亩之宅，树之以桑

申之以孝悌之义

B．请以战喻

斧斤以时入山林

C．狗彘食人食而不知检

然而不王者，未之有也

D．则无望民之多于邻国也是何异于刺人而杀之

小题3:下列对原文有关内容的分析和概括，不正确的一项

A．“五亩之宅……可以无饥矣”这三组提出的措施，比上一段提出的措施更前进了一步。

B．最后一段孟子批评了统治者的暴政，摆出事实，揭穿谎言，针对统治者归罪于岁的推诿，运用了比喻进行驳斥。

C．由“狗彘食人食而不知检，途有饿殍而不知发”一句可知当时年成确实不好，到了饿死人的地步。

D．结尾一句与开篇的“民不加多”照应，而且回应了梁惠王的疑问。

Laugh and Smile Your Way to Health

How much do you laugh and smile during the day? Do you take your life and your illness or injury so   36    that there is no room for joy to fill you? Want a totally free, simple way to increase your    37    and your health with no medicine needed? Then laughing and smiling is   38  to you

So laugh your way to happiness.   39    it takes to put a smile on your face is what you should be doing.  

Research shows that laughing can increase the immune system,   40    the body to stay disease free and fight colds and the flu.

If you are facing an illness , having a positive life opinion and a   41    of humor will keep your body open to healing. If you are healthy, laughing will help to make sure you stay that way, and can    42    enjoyment to your work and home life and   43   your daily stress.

Certainly, it can be   44   to keep a positive opinion of life all the time. Simply taking the time to   45   on the positive and treat for the good things    46   in your life can help   47   , but if you are struggling with negative emotions that you just can’t seem to    48    , there are tools that can help.

There are so many things out there to smile about and   49  you have to do is find   50   . Practice looking for the bright   51   of every situation. Avoid the negative：don't   52    yourself with your own problems—or    53    others for their "shortcomings." And don’t pay no attention to the joy in everyday things. Create your own "Laugh for Health"   54    —anything to add to your collection and to give you fresh materials that   55  to you.

36.A. proudly               B.seriously                   C.carefully                   D.freely

37. A.burdens               B.spirits                       C.loads                         D.values

38. A.beneficial             B.changeable                C.suitable                     D.harmful

39. A.However              B.Whenever                  C.Whatever                  D.Whichever

40.A.helping            B.making                            C.letting                       D.causing

41. A.taste                   B.sense                         C.knowledge                 D.joy

42. A.adjust                  B.adapt                        C.apply                        D.add

43. A.improve              B.arise                         C.cancel                       D.reduce

44. A.hard                    B.awful                        C.energetic                   D.helpful

45. A.concentrate          B.put                           C.focus                        D.interview

46. A.carefully                B.thankfully                 C.particularly                D.differently

47..A.remarkably          B.accidentally               C.frequently                 D.purposefully

48.A.seek                  B.stress                        C.accept                       D. overcome

49. A.all                       B.that                           C.how                          D.why

50. A.it                        B.that                           C.this                           D.one

51. A.side                        B.plan                         C.aspect                  D.future

52.A.depend                 B.abandon                    C.load                          D.ban

53.A.praise                   B.miss                          C.approve                     D. blame

54. A.ambition               B.summary                   C.message                    D.collection

55.A. appeal                 B.apply                        C.center                       D.assume