已知(x2-1x)n展开式中的二项式系数的和比（3a+2b）7展开式的二项式系数

编制课程表时，尽量将文科与理科、形象性的学科与抽象性的学科（）

A．随机安排

B．分类安排

C．集中安排

D．交错安排

简述学校课程及其形式。

第二节完形填空（共20小题；每小题1.5分，满分30分）

　　阅读下面短文，从短文后各题所给的四个选项（A、B、C、D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

　　Columnist Dave Barry says this about his father:"My dad would try anything - carpentry(木匠活),electrical wiring,roofing and so on.From watching him,I learned a lesson that still 36 to my life today:no matter how difficult a task may seem, 37 you're not afraid to try it,you can do it."

　　I learned from my parents the value of "going for it"." 38 ventured(冒险),nothing lost" is the motto of too many of us.Many people are so afraid to 39 that they never venture beyond the familiar."Better to be safe than sorry",has 40 too many people in the cocoon(保护膜) of their 41 zones.

　　A delightful 42 tells that Col.Robert Johnson of Salem,New Jersey,announced that he would take a 43 risk.He let the town know that he would 44 a wolf peach on the steps of the country courthouse at noon on September 26,1820. "Why would he take such a chance?" asked the 45 people.

　　Scientists and doctors had long declared the wolf peach to be 46 .If the wolf peach was too ripe and warmed by the sun,they told him he would be exposing himself to brain fever.Should he somehow 47 the experience,the skin of the 48 would stick to the lining of his stomach(他的胃黏膜) and 49 cause cancer.

　　Nearly 2,000 people 50 the square to see Col.Johnson eat the "poisonous" peach - now known as the tomato.

　　Col.Johnson believed his 51 was small,but it must be take if the 52 about the peach were to be 53 .Who has accompished anything worthwhile 54 taking a risk?

　　Much like the tortoise it makes 55 only when it sticks its neck out.

　　36.A.refers         B.applies       C.tends          D.leads

　　37.A.if            B.since         C.although       D.unless

　　38.A.Anything      B.Something    C.Nothing        D.Everything

　　39.A.fail           B.win          C.succeed        D.leave

　　40.A.turned        B.trapped       C.forbidden      D.orced

　　41.A.comfortable    B.miserable     C.surprising     D.unimportant

　　42.A.novel         B.message      C.joke          D.story

　　43.A.private        B.public       C.secret        D.national

　　44.A.buy          B.sell          C.eat           D.cut

　　45.A.puzzled       B.disappointed   C.angry        D.happy

　　46.A.delicious       B.smelly        C.salty        D.poisonous

　　47.A.enjoy         B.survive         C.understand  D.know

　　48.A.wolf         B.seed           C.peach      D.body

　　49.A.eventually     B.firstly          C.lately       D.hardly

　　50.A.reached      B.decorated         C.surrounded  D.crowded

　　51.A.audience     B.risk            C.fruit        D.size

　　52.A.myths        B.ingredients    C.truths         D.prices

　　53.A.changed      B.adopted        C.removed      D.grasped

　　54.A.without      B.for            C.with         D.except

　　55.A.sense        B.trouble         C.room        D.progress

婴儿口腔清洁法操作哪项是错误的

A．每次喂奶之后，用清洁纱布裹于手指或指套牙刷轻柔擦洗口腔组织及牙龈

B．第一颗牙萌出后用儿童牙刷帮助刷牙

C．预防奶瓶龋，喂给不含蔗糖的饮料与流食

D．喂药或其他营养品后应用清洁水帮助洁牙

E．针对某些危险因素保持一定的预防措施

大围山被省列为自然保护区，堪称动植物天然博物馆，成为研究（）的重要场所。

A.珍稀动物

B.鸟类生态环境

C.珍稀植物

D.森林植被资源