People living on parts of the south coast of England face a serious problem. In 1993, the owners of a large hotel and of several houses discovered, to their horror, that their gardens had disappeared overnight. The sea had eaten into the soft limestone cliffs on which they had been built. While experts were studying the problem, the hotel and several houses disappeared altogether, sliding down the cliff and into the sea.
Erosion (侵蚀) of the white cliffs along the south coast of England has always been a problem but it has become more serious in recent years. Dozens of homes have had to be abandoned as the sea has crept farther and farther inland. Experts have studied the areas most affected and have drawn up a map for local people, forecasting the year in which their homes will be swallowed up by the hungry sea.
Angry owners have called on the government to erect sea defenses to protect their homes. Government surveyors have pointed out that in most cases, t
A. be aware of the potential danger involved
B. guard against being cheated by the house agent
C. take the quality of the house into consideration
D. examine the house carefully before making a decision
How much sleep does a person need
(31) the physiological bases of the need for sleep remain
conjectural (猜想), rendering conclusive answers to this question impossible, much
evidence has been gathered on how much sleep people do in fact obtain. Perhaps
the most important conclusion to be (32) from this evidence
is (33) there is great variability among individuals in
total sleep time. For adults, (34) between six and nine
hours of sleep as a nightly average is not unusual, and 7.5 hours probably best
expresses the norm. Such norms, of course, forms inevitably vary with the
criteria of sleep employed. The most (35) and reliable
figures on sleep time, including those cited here, come from studies in sleep
laboratories, where EEG criteria are employed. (36) consistently has been associated with the va A. As B. Despite C. While D. Whether [判断题]水泵使用完毕,应打开所有放余水阀,待放尽余水后关闭。( )
A.正确 B.错误 [判断题]( )铁路职业道德是和谐铁路建设的重要保证。
A.正确 B.错误 [单项选择]尿路刺激征是指
A. 尿频、尿急、腰痛 B. 尿频、血尿、腰痛 C. 尿急、血尿、腰痛 D. 尿频、尿急、尿痛 E. 血尿、尿痛、腰痛 [单项选择]It is a process during ______ the body releases water to cool the skin.
A. when B. which C. where D. that [单项选择]关于飞机结构的制造准确度:()。
A. 实际零件与图纸尺寸、形状的相近程度 B. 实际零件与图纸尺寸、形状的误差 C. 零件配合尺寸、形状的相近程度 D. 制造准确度高则协调准确度高 [多项选择]党的十六届四中全会指出,要坚持最广泛最充分地调动一切积极因素,不断提高构建社会主义和谐社会的能力,不断增强全社会的创造活力,( ),维护社会稳定。
A. 妥善协调各方面的利益关系 B. 推进社会管理体制创新 C. 积极化解各方面的利益矛盾 D. 加强和改进新形势下的群众工作 [单项选择]以下疾病中早期易出现蜂窝肺改变的疾病是( )
A. 慢性支气管炎 B. 支气管扩张 C. 特发性肺纤维化 D. 狼疮性肺炎 E. 矽肺 [名词解释]黄色(地位和权力的象征)
[单项选择]下列关于企业法人破产还债程序的表述,哪一说法是错误的
A. 企业法人因严重亏损,无力清偿到期债务,债权人和债务人都有权申请宣告破产还债 B. 法院审理破产还债案件一律使用裁定,并一律不准上诉 C. 个体下商户或公民个人合伙不适用企业法人破产还债程序 D. 人民法院审理企、业法人破产还债案件必须组成合议庭 [多选题]《气象灾害预警信号发布业务规定》规定气象灾害预警信号( )前,上下级气象台站应当加强预报会商和信息沟通,确保各级气象台站预警信号发布的协调一致。
A.发布 B.变更 C.解除 D.确定 [填空题]动⻋组运⾏途中停⻋处理故障时, 随⻋机械师要与司机呼
唤应 在⾼速铁路还应确认得到列⻋调度员已按规定发布
( ) 的⼝头指示, 并做好安全防护⼯作后
⽅可下⻋。
[判断题]线路中检修联络用的断路器、隔离开关或其组合时,应在其两侧分别验电。()
A.正确 B.错误 [判断题]每台柴油储罐有4个呼吸阀,柴油储罐的浮顶人孔共2个,每个柴油储罐有2个紧急泄压阀。( )
A.正确 B.错误 [简答题]桥梁下部结构主要包括哪几部分?
[单选题]grid [9][5]描述的是:
A.二维数组 B.一维数组 C.五维数组 D.九维数组 [不定项选择题]某城镇2015年相关资料如下:年末常住人口3万人(年初常住人口2.9万人),其中男性人口1.55万人;当年出生人口200人,死亡人口50人;居民家庭户均总收入15万元,个人交纳的所得税及社会保障支出分别为3000元和2000元;家庭消费支出9万元,其中食品类支出3.5万元,居住类支出3.0万元。
根据以上资料回答下列问题:
上述统计资料的取得,一般通过()。
A.普查 B.抽样调查 C.重点调查 D.典型调查 [填空题]LKJ防止冒进信号的控制模式制动距离计算由空走距离、有效制动距离与()之和构成。
[单选题]4B的位数是( )。
A.4位 B.8位 C.16位 D.32位 [单选题]我国B型地铁车辆的轴重一般为
A.AAt B.ACt C.ADt D.A7t [判断题]公司每年都要进行一次职业健康安全管理体系内审、管理评审、外审。( )
A.正确 B.错误 [单选题]160. 信号机按类型分为色灯信号机.臂板信号机和( )信号机。 J68
A.高柱 B.复示 C.机车 [判断题]水上求生时,如附近有救生筏应已 7-8
米的间隔将筏连在一起。
A.正确 B.错误 我来回答: 提交
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