Do you know what lungs (肺) are like (1) are in the upper part of our bodies. We have two of them. There are thousands of little pipes (管子) going through them. The (2) are like the branches of a tree and they go through every part of each lung. When we breathe in, air goes through the nose and mouth and travels down a large pipe. The other end of this pipe becomes two smaller pipes and each goes into one lung.(3) }passes through those pipes and is carried around the body.
When you (4) , your upper body moves in and out. To breathe in, air rushes into your lungs. To breathe out, air is forced out of your lungs. The air we breathe goes into every part of the lungs through the branching pipes. They take it to the (5) which is moving all the time through the lungs and round to every part of our bodies. The blood goes around our body and back to the lungs in a very short time.

1（）

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[简答题]简述要充分发挥利率的作用应该具备哪些条件？

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[填空题]Icebergs are among nature’ s most spectacular creations, and yet most people have never seen one. A vague air of mystery envelops them. They come into being--somewhere--in faraway, frigid waters, amid thunderous noise and splashing turbulence, which in most cases no one hears or sees. They exist only a short time and then slowly waste away just as unnoticed.
Objects of sheerest beauty, they have been called. Appearing in an endless variety of shapes, they may be dazzlingly white, or they may be glassy blue, green or purple, tinted faintly or in darker hues. They are graceful, stately, inspiring in calm, sunlit seas.
But they are also called frightening and dangerous, and that they are--in the night, in the fog, and in storms. Even in clear weather one is wise to stay a safe distance away from them. Most of their bulk is hidden below the water, so their" underwater parts ,nay extend out far beyond the visible top. Also, they may roll over unexpectedly, churning the waters

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[单选题]无缝线路钢轨位移观测作业使用弦绳测量，作业时，拉紧弦绳，视线垂直弦绳。每个观测点，观测（）次，数据取其平均值。
A.2
B.3
C.4
D.5

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[单项选择]道岔转辙装置安装后，各种连接杆的调整丝扣的余量，不得小于（）
A. 10mm
B. 5mmm
C. 20mm
D. 30m

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[多选题]以下（）内容，属于《流动资金贷款管理暂行办法》明确的尽职调查内容。
A.借款人的经营范围、核心主业、生产经营、贷款期内经营规划和重大投资计划等情况
B.借款人所在行业状况
C.借款人所在城市或社区经济发展状况
D.借款人的应收账款、应付账款、存货等真实财务状况
E.还款来源情况，包括生产经营产生的现金流、综合收益及其他合法收入等

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[单项选择]根据《城乡规划法》的规定，建设单位或者个人在乡、村庄规划区内进行乡镇企业、乡村公共设施和公益事业建设的，首先向( )提出申请。
A. 村民委员会
B. 乡、镇人民政府
C. 市县城乡规划主管部门
D. 乡镇人民代表大会

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[单选题]脚手板宽度双行人道不得小于()m。
A.1.2
B.1.5
C.1.8

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[判断题]采用无线调车灯显设备调车的车站，一批作业不超过三钩（包括变更）可用口头方式或停车用电台布置（中间站利用本务机及区域调车机非中心站除外），有关人员必须复诵。
A.正确
B.错误

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[多项选择]使用人工呼吸机的适应证有（）.
A. 休克患者
B. 呼吸停止的抢救
C. 呼吸衰竭的抢救
D. 植物人的治疗
E. 麻醉期间的呼吸管理

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[单项选择]正常人体不会出现的叩诊音是（）
A. 清音
B. 过清音
C. 鼓音
D. 浊音
E. 实音

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[多项选择]土地执法监察的方法有( )等方法。
A. 跟踪检查方法
B. 超前控制方法
C. 协作处理或公开处理方法
D. 目标管理方法
E. 滞后控制方法