
【名词&注释】
学校食堂(school canteen)、教育事业(educational cause)、西南暖湿气流(warm wet flow coming from southwest)、健康长寿(health and longevity)、西南地区东部、优先发展(prior development)、大气层结(atmospheric stratification)、获得成功(achieve success)、警戒水位(warning stage)、首席预报员(chief predictor)
[填空题]6.下列句子是为不同场合拟定的标语,你认为不得体的一项展
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举一反三:
[单选题]纲要指出,要优先发展教育事业。因为教育是
A. 我国各项工作的中心
B. 获得成功(achieve success)的唯一途径
C. 民族振兴的基石
D. 民族文化的精髓
[单选题]Stress is the feeling you get when you're really worried about something. This is the kind of worry that troubles you for hours,or even days.It makes you feel (11),scared(恐惧的),or angry. You may find it difficult to eat and sleep,or you might eat and sleep much(12) than usual. Stressing out will lead to serious 'problems like heart illness.(13) not all stress is bad for you. The good kind (14) your body and mind alert(机敏的) and can make you perform better,like when you're giving a speech to your class or running to the finish line.What causes stress? Do you know(15) your dad is worried about the bills,or your mom is unhappy? Because they're stressed out! There are lots of things in your life that ,(16) cause stress-having too much homework,taking a test in a subject that you are not good (17) ,or hearing your parents argue!
A. If you're stressed out,try these quick and easy
B. Try to get at least eight hours of sleep every night. Eat a healthy,balanced (19) that includes all kinds of food. Talk with your close friends,family members or teachers: It'll make you feel better,and (20) may be able to give you advice and help you solve your problem.
D. calm
E. excited
F. surprised
G. upset
[单选题]22. What problems are caused by too much homework?
A. Feeling stressed and fighting with each other.
B. Feeling tired of study and getting fat.
C. Feeling stressed and getting short-sighted.
D. Getting short-sighted and feeling tired of study.
[单选题]阅读下面的文字,完成14—16题。今年以来,我国大部分地区气温起伏大、降水分布非常不均匀,气象灾害影响广、程度重。其中,江淮、江南降水异常,江西、浙江等地3月初就出现了罕见早汛。3月下旬到4月,湘江、漓江、赣江出现了超警戒水位(warning stage),部分地区发生洪涝。5月5日以来,江南、华南、西南地区东部等地遭遇暴雨“倾城”。对此,中央气象台首席预报员(chief predictor)孙军解释说:“北方冷空气南下,与西南暖湿气流在长江中下游一带交汇,加强了这些地区的气流上升运动。由于这些地区中低层水汽含量非常丰富,在空气上升运动中,水汽容易凝结,成云致雨,进而形成较强降水。”
A. 把水汽迅速向上输送,云内的水滴受上升运动的影响不断增大,直到上升气流托不住时,就急剧地降落到地面。积雨云体积通常相当庞大,它们排列起来,可形成100~200千米宽的雨带。大气的运动和流水一样,常产生波动或涡旋。当两股来自不同方向或不同温度、湿度的气流相遇时,就会产生波动或涡旋。大的这几千千米,小的只有几千米。在这些地区,波动常伴随气流运行出现上升运动,并使水平方向的水汽迅速向同一地区集中,形成暴雨中心。此时,低层空气暖而湿,上层空气冷而干,致使大气层结(atmospheric stratification)构处于极不稳定状态,这有利于大气中能量释放,促使积雨云充分发展。
B. 另外,地形对暴雨的形成和雨量大小也有影响。例如,由于山脉的存在,迎风坡迫使气流上升,从而垂直运动加大,暴雨增大;而在山脉的背风坡,气流下沉,雨量就大大减小,有的背风坡的雨量仅是迎风坡的1/10。山谷的狭管作用也能使暴雨加强。比如,河南有一次特大暴雨,其中心林庄,正处在南、北、西三面环山,向东逐渐形成喇叭口的地形之中,由于这样的地形,气流上升速度增大,雨量骤增。
C. 下面对暴雨形成的主要条件的归纳,恰当的是哪一项?(2分)
D. 不同温度、湿度的气流相遇导致大气在运动中产生波动或者涡旋。
E. 充足的水汽、强烈而持久的气流上升运动和大气层结(atmospheric stratification)构的不稳定。
F. 气温起伏大、降水分布非常的不均匀,气象灾害影响广、程度重。
G. 积雨云体积的大小,山脉坡向与坡度陡缓,气流上升运动的大小。
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