[单项选择]
Long long ago mankind began to use tools. Throughout the world, you can still find the tools which were used over two million years ago. People made such tools by hitting one stone (36) another. By this means, they got pieces from one of the stones. These pieces of stone were always (37) on one side. People utilized them to (38) skin and meat from some animals that were dead, (39) to make other tools from wood. Mankind needed (40) use tools since, unlike other meat-eating (41) , say lions, they did not have sharp teeth. Tools greatly helped people obtain food more (42) .
Tools helped (43) human intelligence as well when human worked with them. The human brain became bigger gradually, and human beings began to invent a growing number of tools. The stone piece was one of the (44) tools that were used by people, and maybe it was (45) . Some scientists hold it was the key (46) huma
A. produce
B. buy
C. cut
D. sell
[填空题]
Most people who travel long distances complain of jetlag.
Jetlag makes business travelers less productive and more prone (51)
making mistakes. It is actually caused by (52)
of your "body clock"—a small cluster of brain cells that controls the
timing of biological (53) .The body clock is designed for
a (54) rhythm of daylight and darkness, so that it is thrown
out of balance when i (55) daylight and darkness at the
"wrong’’ times in a new time zone. The (56) of jetlag often
persist for days (57) the internal body clock slowly adjusts
to the new time zone. Now a new anti-jetlag system is (58)
that is based on proven (59) pioneering scientific
research. Dr. Martin Moore-Ede has (60) a practical
strategy to adjust the body clock much sooner to the new time zone (61)
controlled exposure to bright light. The time zone shift is easy to
accomplish and eliminates (62) of
[单选题]电容器组允许在其( )倍额定电压下长期运行。
A.1.2
B.1.1
C.1.
[多选题]关于架线跨越作业防护设施说法正确的是（）。
A.架线跨越作业应搭设跨越架或承力索
B.搭设强度应能承受发生断线或跑线时的冲击载荷
C.跨越架搭设应由班组长带领劳务人员搭设，验收合格后使用
D.跨越公路时应在跨越段前200m处设置限高提示
E.架体上应悬挂醒目的安全警示标志
[单选题]患者渴喜热饮，饮水不多或饮入即吐的临床意义是
A.湿热证
B.温病营分证
C.痰饮内停
D.瘀血内停
E.阴虚证
[单选题]Φ190-10米电杆选用FHH-1（Ⅰ型防河洪直线杆基础）基础时，电杆基础埋深是
A.2
B.2.3
C.2.8
D.3.3
[简答题]“东风不与周郎便，铜雀春深锁二乔。”“锁”字为什么用得好？《赤壁》
[单项选择]下列各灾害如：①火灾；②河(江)洪、海潮、泥石流；③风灾；④雪灾；⑤冰雹灾害；⑥地震；⑦战争，其中哪一组是构成城市防灾系统工程规划的主要内容( )
A. ①②③⑥
B. ①②⑥⑦
C. ②③⑤⑥
D. ①④⑥⑦
[多选题]电缆敷设过程中应严格控制（ ）。
A.施放速度
B.牵引力
C.侧压力
D.弯曲半径
[判断题]Windows操作系统中，应用程序窗口缩小后，程序就停止运行
A.正确
B.错误
[判断题]电渣焊适用于厚板、大断面、曲面结构的焊接，如火力发电站数百吨的汽轮机转子、锅炉大厚壁高压汽包等。( )[中]
A.正确
B.错误
[判断题]高压回路上的工作，必须要拆除全部或一部分接地线后始能进行工作者，如果是根据调控人员指令装设的接地线，应征得工作负责人的许可，方可进行。
A.正确
B.错误
[单项选择]高碱度烧结矿的还原性比天然矿石的还原性（）。
A. 好
B. 差
C. 一样
[判断题]不良资产清收处置档案涉及的图标、照片等图文资料，经办人员可视情况以文字做出简要说明。
A.正确
B.错误
[单选题]民用建筑室内空气中苯、甲苯、二甲苯浓度的检测，采样流量和采样体积分别为（ ）
A.0.5L/min 10L
B.0.5L/min 20L
C.1.0L/min 10L
D.1.0L/min 20L
[单选题]在有 m 个进程的系统中有死锁出现时，死锁进程的个数 k 应该满足的条件是
A.1≤k≤m
B.2≤k≤m
C.k=m＝1
D.k 和 m 没有关系
[单选题] 下列哪一项不属于地铁事故的救援难度？( )
A. 容易引发大量人员伤亡
B. 协调配合困难
C. 装备利用受限
D. 易发生有毒气体泄露
[多项选择]《巴塞尔新资本协议》在三大支柱之一的最低资本要求的创新之处包括( )。
A. 引入了计量信用风险的内部评级法
B. 将资本充足率作为保证银行稳健经营、安全运行的核心指标
C. 将银行资本分为核心资本和附属资本两类
D. 在资本充足率的计算公式中全面反映了信用风险、市场风险、操作风险的资本要求
[多选题]在（）或有腐质物等附近挖沟（槽）时，应设监护人。
A.下水道
B.煤气管线
C.潮湿地
D.垃圾堆
[单选题]糊剂中固体粉末的含量一般不低于( )
A.25%
B.30%
C.35%
D.40%
E.45%
[单项选择] We all have offensive breath at one time or another. In most cases, offensive breath emanates from bacteria in the mouth, although there are other, more surprising causes.
Until a few years ago, the most doctors could do was to counsel patients with bad breath about oral cleanliness. Now they are finding new ways to treat the usually curable condition.
Bad breath can happen whenever the normal flow of saliva slows. Our mouths are full of bacteria feeding on protein in bits of food and shed tissue. The bacteria emit evil-smelling gases, the worst of which is hydrogen sulfide.
Mouth bacteria thrive in airless conditions. Oxygen-rich saliva keeps their numbers down. When we sleep, for example, the saliva stream slows, and sulfide-producing bacteria gain the upper hand, producing classic " morning breath".
Alcohol, hunger, too much talking , breathing through the mouth during exercise — anything that dries the mouth produces bad breath. So can stress, though it’’s n
A. thrive on
B. originate from
C. account for
D. descend from
[单项选择]脾病的常见的症状，以下除哪项以外均是（ ）。
A. 腹胀腹痛
B. 恶心嗳气
C. 泄泻
D. 浮肿
E. 出血
[单选题]糖粉膏中柠檬汁少, 制品( )。
A.立体感强
B.定型快
C.制品易干燥
D.不易干燥定型
[单项选择]在石油化工生产中，可燃性气体或蒸气能与（）形成爆炸性混合物。
A. 氮气
B. 二氧化碳
C. 空气
[单选题]深度超过（）m的给排水管沟，应视情况采取防护措施。
A.1
B.1.5
C.2
D.2.5
E.略
F.略
[多项选择]下列关于方差与标准差的说法，正确的有（）。
A. 标准差越大，表明各个观测值分布的越分散
B. 标准差越大，表明各个观测值的集中程度越小
C. 方差是标准差的平方根
D. 方差和标准差均有量纲
E. 标准差与变量值的计量单位相同
[多选题]ZD6转辙机道岔动作电路的三级控制是（）。
A.1DQJ励磁
B.2DQJ转极
C.1DQJ自闭
D.DCJ或FCJ励磁
[填空题]供电量为(____)与(____)之和减去(____);售电量为销售给(____)的电量
[判断题]高处作业人员在作业过程中，应随时检查安全带是否栓牢。
A.正确
B.错误
