| The difference between a liquid and a
gas is obvious under the conditions of temperature and pressure commonly found
at the surface of the Earth. A liquid can be kept in an open container and fill
it to the level of a free surface. A gas forms no free surface but tends to
diffuse(扩散)throughout the space available; it must therefore be kept in a closed
container or held by a gravitational field, as in the case of a planet’s
atmosphere. The distinction was a prominent feature of early theories describing
the phases of matter. In the nineteenth century, for example, one theory
maintained that a liquid could be" dissolved" in a vapor without losing its
identity, and another theory that held the two phases are made up of different
kinds of molecules. liquids and gases. The theories now prevailing take a quite
different approach by emphasizin A. a closed surface B. the gravity of the planet C. the field of space D. its critical point [单项选择]应纳个人所得税的所得包括( )。
A. 财产租赁所得 B. 保险赔款 C. 福利费、抚恤金、救济金 D. 按国家统一发放的补贴、津贴 [不定项选择题]共用题干
Many Women Who Beat Cancer Don't Change Habits
Many women who battle breast cancer will tell you it's a life-changing experience. However,a new study shows that for many___1___ ,the changes aren't always positive or permanent. Beth Snoke has watched her mother and both grandmothers battle and survive breast ___2___.So when she was diagnosed,there was no doubt in her mind ___3___ she had to do. “I do exactly what the doctors say as far as the medicine that I'm on,as ___4___ as the vitamins,the diet,and the fitness. And I can't stress enough___5___ important that is,”says Beth Snoke. But a surprising new study shows that___ 6___ every woman who beats breast cancer is getting that message. In fact,nearly 40% of them say even___7___ surviving breast cancer,they haven't made significant changes in the 8 they eat or how much they exer- cise. “Not all survivors are taking advantage of this teachable moment and making positive health changes in___9___life,”says Electra Paskett,PhD,at Ohio State University's Cornprehensive Cancer Center. Paskett says diet and exercise have been proven to not only help women feel better during and after treatment,they may___10___play a role in preventing some cancers from coming back.___ 11___ growing evidence,some women just aren't listening. “Colon cancer survivors ___12___ exercise have actually been shown to have improved survival rates.So,yes,it is true that perhaps by making some of these healthy choices we can actually increase their health,”says Paskett. As a breast cancer survivor ___13___ ,Paskett knows first hand how much difference diet and exercise can___14___.The challenge,she says,is to get more survivors to be more like Beth,during and after treatment. Experts-say exercising more and eating a healthier diet can also cut___15___on stress and help women overcome depression. There are more than 2 million breast cancer survivors liv-ing in the U. S. of those,nearly a million have yet to change their diet or exercise routines. 4._________ A.far B.soon C.fast D.early [单选题]当ISCS系统中央服务器故障降级运行，系统控制权限下放至车站，以下说法错误的是（）。
A.车站内数据采集不受影响 B.车站内控制下发不受影响 C.车站内数据发布不受影响 D.车站IBP盘后备工作受影响 [单选题](48014)相对轨距来说，（ ）往往是控制性的。只要方向偏差保持在容许范围内，轨距变化对车辆的影响就不会很大。(1.0分)
A.轨距大小 B.轨距变化率 C.轨距标准 D.轨道方向 [单选题]一个正十二面体随意翻动，每次翻动朝上一面的颜色与翻动前都不同，那么这个正十二面体的颜色至少有几种？（）
A.3 B.4 C.5 D.6 [单项选择]（）负荷开关的参数高，电寿命长，成本偏高。
A. 产气式 B. 压气式 C. 六氟化硫 D. 真空 [简答题]茎尖分生组织培养法生产脱毒微型薯技术。
[单选题]运算器的主要功能是
A.实线算术运算和逻辑运算 B.保存各种指令信息供系统其他不见使用 C.分析指令并进行译码 D.按主频指标规定发出时 钟脉冲 [单项选择]下列关于胃液分泌的描述，错误的是
A. 主细胞分泌胃蛋白酶 B. 壁细胞分泌盐酸和内因子 C. 黏液细胞分泌糖蛋白 D. 幽门腺分泌黏液 [单选题]根据《建设工程安全生产管理条例》,施工单位取得资质证书后,降低安全生产条件的,责令限期改正;经整改仍未达到与其资质等级相适应的安全生产条件的,责令停业整顿,()。
A.暂扣资质证书 B.罚款 C.降低其资质等级直至吊销营业执照 D.降低其资质等级直至吊销资质证书 [单项选择]CDMA2000系统中，MSC与VLR之间的接口定义为（）。
A. A接口 B. B接口 C. C接口 D. E接口 [单选题]某孕妇，34岁，因平卧于床上看书，感觉心悸、出汗，正确的护理措施是
A. 改为左侧卧位 B. 给予口服升压药 C. 立即坐起 D. 改为右侧卧位 E. 起身进行户外活动 [单选题] 我行出售的密码器()绑定他行账号。
A. 可以 B. 不可以 C. 不一定 D. [单选题]关于海水染色剂以下正确的是:
A.持续时间为48小时 B.它的化学染色剂可以使海水染成桔红色 C.使用时将海水染色剂的短绳系在救生筏顺风的一方 D.使用时要求海水相对平静 [填空题]在对DC-32k捣固车日常检查时，蓄电池的接线应无松动和()。
[单选题] 一般而言，Internet环境中的防火墙建立在
A. 以上3个都不对 B. 每个子网的内部 C. 内部子网之间 D.内部网络与外部网络的交叉点 [判断题]( )酸的浓度就是酸度
A.正确 B.错误 [单项选择]考生通过浏览器从Web服务器查询考场信息，浏览器与WeB服务器之间的协议属于（）。
A. 接口层 B. 网络层 C. 应用层 D. 传输层 [单选题]家庭成员属于相关群体中的( )。
A. 首要群体 B. 次要群体 C. 向往群体 D. 厌恶群体 [单选题]电压在( )以上的电气设备外壳必须有保护接地。
A.24V B.36V C.42V [简答题] 重大火灾是指死亡________人以上;重伤10人以上;死亡、重伤________人以上; 受灾户30户以上;烧毁财物损失30万元以上。
[判断题]装储汽油等易燃溶剂的容器，可以使用不导电的塑料桶、罐。
A.正确 B.错误 [判断题]接触网下使用人力制动机制动需注意人身安全。
A.正确 B.错误 [单选题]某同学进行离心泵特性曲线测定实验,启动泵后,出水管不出水,泵进口处真空表指示真空度很高,他对故障原因做出了正确判断,排除了故障,你认为以下可能的原因中,哪一个是真正的原因( )
A.水温太高 B.真空表坏了 C.吸入管路堵塞 D.排除管路堵塞 [单选题]002325选择修复工艺时，要注意本单位现有的生产条件、修复（）、工作环境考虑修复工艺的可行性。
A.工作水平 B.技术水平 C.协作环境 D.人员素质 [单选题]闪点大于或等于 60 度的液体属( )液体。
A.甲类 B.乙类 C.丙类 D.丁类 [填空题]Windows XP内置的Windows防火墙可以限制从其他计算机发送到本地计算机上的信息，从而提高计算机的安全性。Windows防火墙有三种设置：“开”、“开并且无例外”和“（）”。
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