过山车是一项非常惊险刺激的娱乐休闲活动．过山车时而从轨道的最

【名词&注释】

旅游业(tourism)、风土人情(local customs)、过山车(roller coaster)、讲学习(stress learning)、休闲活动(leisure activities)、发展趋势。、机械能不变、心不在焉(absence of mind)

[单选题]过山车是一项非常惊险刺激的娱乐休闲活动．过山车时而从轨道的最低端上升到最高端，时而从最高端飞驰而下(图3)．不计能量损失，下列说法正确的是

A. a点机械能小于b点机械能
B. d点动能最大，b点势能最大，c点机械能最大
C. 由a到b的过程中，动能减少，势能增大，机械能不变
D. 由b到c的过程中，动能增大，势能减少，机械能变大

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学习资料：

[单选题]下面对标题中“风景”的理解哪一项最恰当？（2分）

A. 显示乡村旅游业的独有的韵味。
B. 预示现代休闲农业的发展趋势。
C. 展现江南农村古朴的风土人情。
D. 彰显心灵的纯净和人性的光辉。

[单选题]14．

A. want
B. hope
C. need
D. wish

[单选题]AThe aim(目的) of students who come to school is ro srudy． But if we haven't a right way to study we will waste the time or the money． The following are ways for studying．

A. Because in the morning， the air is fresh and our minds are clear．For that reason，we can get good results．
B. If w．e don't understand a text well，we must read it again． We should not read the next one till we have learned the first one well．
C. We can not read absent-．mindedly(心不在焉^{(absence of mind)}地) ，or we can get nothing from the book while we are reading．
D. If it is not well understood，write it down and ask our teach-ers or parents，brothers or friends，in any possible way． We must know it completely and then our knowledge can be used well．
E. Though there are many ways for studying，however，the above mentioned(提及的) will be quite enough if we can keep them in heart and do so，
F. The article tells us_________
G. to read in the morning
H. to pay close attention to ways for studying
I. the importance of reading
J. to have patience in studying

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