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参考答案:
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【单选题】水量平衡方程式P-R-E =Δv、(其中P、R、E、Δv分别为某一时段的流域降水量、径流量、蒸发量和蓄水变量),适用于( )。
A.
非闭合流域任意时段情况
B.
非闭合流域多年平均情况
C.
闭合流域多年平均情况
D.
闭合流域任意时段情况
【多选题】常用的表面活性剂类型的去乳化剂包括下列的哪些?
A.
十二烷基磺酸钠
B.
十二烷基三甲基溴化铵 (1231)
C.
溴代十五烷吡啶 (PPB)
D.
草酸
【单选题】( )的设计是指依据幼儿园体育活动的目标和体育活动的内容或主题,选择或创编相应的活动内容,并拟订出一定时间内向幼儿施加教育影响的方案的过程。
A.
体育游戏活动
B.
体育教学活动
C.
早操活动
D.
幼儿园运动会
【判断题】渗透法只能检测表面开口缺陷,对多孔性材料的检测仍很困难,无缺陷深度显示。
A.
正确
B.
错误
【单选题】患者男,40岁.因工作压力大出现失眠.焦虑来诊.患者的哪项陈述说明护士需要进一步健康指导
A.
“无论多忙,我都要争取在晚上11点前睡觉.”
B.
“每天吃完晚饭出去走走,散散心.”
C.
“在家尽可能不去想工作,放松自己.”
D.
“睡觉前洗澡.”
E.
“睡觉前喝一杯啤酒有助于睡眠.”
【简答题】进行汽车道路试验时,车速BB测量试验的常用仪器包括下列哪些?A. 第五轮仪; B. 非接触车速仪; C. 底盘测功机; D. 发动机综合测试仪;
【单选题】You are going to read a magazine article about the popularity of activity holidays. Choose the most suitable heading from the list A-I for each part (1-7) of the article. There is one extra heading wh...
B.
Remote destinations
C.
Too risky for some
D.
Holidays that don't quite work
E.
New findings
F.
Very little real er
G.
Too much routine
H.
Second-hand experiences
I.
Available to all Activity Holidays Whether it's bungee-jumping, climbing or sky-diving, we want to test ourselves on holiday. Peter Jones tries to find out why. Risk-taking for pleasure is on the increase. Adventure activities and 'extreme' sports are becoming very popular and attracting everyone from the young and fit to people who, until recently, were more likely to prefer walking round museums at weekends. Grandmothers are white-water rafting, secretaries are bungee-jumping, and accountants are climbing cliffs. 【B1】__________ Well-planned summer expeditions to tropical locations are now fashionable for European university students. As they wander over ancient rocks or canoe past tiny villages, away from it all, it ]s quite possible to feel 'in tune with nature', a real explorer or adventurer. 【B2】__________ A whole blanch of the travel industry is now developing around controlled risks. Ordinary trippers, too, are met off a plane, strapped into rafts or boats and are given the sort of adventure that they will remember for years. They pay their money and they trust their guides, and the wetter' they get the better. Later, they buy the photograph of themselves 'risking all in the wild'. 【B3】__________ But why the fashion for taking risks, real or simulated? The point that most people make ix that city lie is tame, with little variety, and increasingly corrtroled. Physical exercise is usually restricted to aerobics in the gym on a Thursday, and a of football or tennis in the park or a short walk at the weekend. 【B4】__________ Says Trish Malcolm, an independent tour operator: 'People want a sense of immediate achievement and the social element of shared physical experience is also important.' Other operators say that people find the usual type of breaks-such as a week on the beach-Loo slow. They say that participation in risk sports is a reflection of the restlessness in people. They are always on the go in their lives and want to keep up the momentum on holiday. 【B5】__________ But psychologists think it's even deeper than this. Culturally, we are being separated from the physical, outside world. Recent research suggests that the average person spends less and less time out of doors per day. 【B6】__________ Nature and the great outdoors are mostly encountered through wildlife films or cinema, or seen rushing past the windows of a fast car. In a society where people are continually invited to watch rather than to participate, a two-hour ride down a wild and fast- flowing river can be incredibly exciting. 【B7】__________ One psychologist believes that it is all part of our need to corrtrol nature. Because we have developed the technology to make unsinkable boats, boots that can stop us getting frostbite or rackets that allow us to survive in extreme temperatures, we are beginning to believe that nothing will harm us and that we are protected from nature. That is until nature shows us her true power in the form. of a storm, flood or avalanche. 【B1】______
【单选题】In recent years, the popularity of mixed models has
A.
decreased.
B.
increased.
C.
stayed the same.
D.
fallen dramatically.
E.
mixed models are no longer used.
【单选题】计算随机变量函数的期望一定要求出随机变量函数的分布吗?( )
A.
一定
B.
不一定
【判断题】计算随机变量函数的期望必须要求出随机变量函数的分布.( )
A.
正确
B.
错误
相关题目:
【单选题】You are going to read a magazine article about the popularity of activity holidays. Choose the most suitable heading from the list A-I for each part (1-7) of the article. There is one extra heading wh...
B.
Remote destinations
C.
Too risky for some
D.
Holidays that don't quite work
E.
New findings
F.
Very little real er
G.
Too much routine
H.
Second-hand experiences
I.
Available to all Activity Holidays Whether it's bungee-jumping, climbing or sky-diving, we want to test ourselves on holiday. Peter Jones tries to find out why. Risk-taking for pleasure is on the increase. Adventure activities and 'extreme' sports are becoming very popular and attracting everyone from the young and fit to people who, until recently, were more likely to prefer walking round museums at weekends. Grandmothers are white-water rafting, secretaries are bungee-jumping, and accountants are climbing cliffs. 【B1】__________ Well-planned summer expeditions to tropical locations are now fashionable for European university students. As they wander over ancient rocks or canoe past tiny villages, away from it all, it ]s quite possible to feel 'in tune with nature', a real explorer or adventurer. 【B2】__________ A whole blanch of the travel industry is now developing around controlled risks. Ordinary trippers, too, are met off a plane, strapped into rafts or boats and are given the sort of adventure that they will remember for years. They pay their money and they trust their guides, and the wetter' they get the better. Later, they buy the photograph of themselves 'risking all in the wild'. 【B3】__________ But why the fashion for taking risks, real or simulated? The point that most people make ix that city lie is tame, with little variety, and increasingly corrtroled. Physical exercise is usually restricted to aerobics in the gym on a Thursday, and a of football or tennis in the park or a short walk at the weekend. 【B4】__________ Says Trish Malcolm, an independent tour operator: 'People want a sense of immediate achievement and the social element of shared physical experience is also important.' Other operators say that people find the usual type of breaks-such as a week on the beach-Loo slow. They say that participation in risk sports is a reflection of the restlessness in people. They are always on the go in their lives and want to keep up the momentum on holiday. 【B5】__________ But psychologists think it's even deeper than this. Culturally, we are being separated from the physical, outside world. Recent research suggests that the average person spends less and less time out of doors per day. 【B6】__________ Nature and the great outdoors are mostly encountered through wildlife films or cinema, or seen rushing past the windows of a fast car. In a society where people are continually invited to watch rather than to participate, a two-hour ride down a wild and fast- flowing river can be incredibly exciting. 【B7】__________ One psychologist believes that it is all part of our need to corrtrol nature. Because we have developed the technology to make unsinkable boats, boots that can stop us getting frostbite or rackets that allow us to survive in extreme temperatures, we are beginning to believe that nothing will harm us and that we are protected from nature. That is until nature shows us her true power in the form. of a storm, flood or avalanche. 【B1】______
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