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【题目】 下列属于我国地势第一、第二级阶梯分界线的是( )
A.大兴安岭—太行山脉—巫山—雪峰山 B.昆仑山脉—祁连山脉—横断山脉
C.天山山脉—阴山山脉—燕山山脉 D.长白山脉—武夷山
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【题目】读图,完成下列问题:![]()
(1)甲河流水量世界第一,其地形条件:;气候条件: .
(2)乙城市四季如春,请解释原因: .
(3)甲河流域主要天然植被是 , 其面积迅速减少的主要原因是 . 导致的全球性问题是等.
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【题目】我国幅员辽阔,东西相距5000多千米,跨经度60多度,这就造成了( )
A.![]()
同一座山,不同景观
B.![]()
同一季节,不同衣着
C.![]()
同一时刻,不同景象
D.![]()
同为平原,不同耕作
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【题目】(题文)
We all know the strange feeling of watching the time change on a o’clock.
You never really see it change because the hands move so slowly. But, of course, the time is changing all the time.
Human faces, like clock faces, are also changing. And like clocks, the changes take place too slowly to be noticed. Over many thousands of years, though, huge changes are possible. For example, the human brain tripled (三倍的) in size. Our faces became flatter, and we began to think more.
If our heads became larger in the past, how will things change in the future? Unlike the changes of a clock face, the changes in human faces are not easy to predict (预测). It is mainly because of the way in which we can now control parts of nature. Hundreds of thousands of years ago, all changes were natural, but now we can actively choose paths for our own evolution(进化).
A US artist named Nickolay Lamm has recently offered an idea at what human faces may one day look like. The designs, inspired (受启发) by his conversations with scientist Alan Kwan, show humans with larger heads and eyes. In particular, Lamm predicts the forehead may be larger because of increasing usage of the brain.
Just a few hundred years ago, most humans were working in the fields, while nowadays more and more people get education. These are just predictions, and no one can be sure how human beings will evolve(进化) in the future. But with such huge changes in our environment, it seems likely that we will look very different one day.
Changes to human faces | |
Similarity between the changes to the(小题1) and ones to human faces | They both keep changing all the time. But these changes are too (小题2) to be noticed. Over the time, it is (小题3) for huge changes to take place. |
(小题4) of human faces changes in the past | The human (小题5) is three times as large as it was thousands of years ago. Human faces became flatter and humans began to think more. |
Possible changes in the (小题6) | It is hard to predict. One of the main(小题7) can be the way in which humans can control parts of the nature. A US(小题8), Lamn, shows humans with larger heads and eyes. Lamn predicts that because humans(小题9) the brain more often, the forehead may be larger. |
Conclusion | How human beings will evolve is (小题10) . But the huge changes in our environment are likely to make humans look very different. |
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【题目】![]()
Winter is cold, with piles of snow,
When rain falls and no trees grow.
For kids it's the snow they desire,
And cups of cocoa before the fire.
When winter is gone, the grass grows,
Roses and trees, light wind blows,
The bees are buzzing, the birds are singing,
Sheep are grazing and cow bells are ringing.
And then the sun starts to shine too brightly,
It is so hot that fans are put on nightly.
And then it's off to the beach or pool,
Where people swim about just to keep cool.
All the leaves on the trees turn golden-brown,
And when on the ground make a big sound.
In autumn a lot of money he spends,
For clearing leaves on the backyards.
Each season has its own goods and its bads,
But since they are different I am glad.
【1】The underlined word "desire" may mean similarly to(相似) __________
A. dislike B. want C. find out D. make
【2】According to the poem, light wind starts to blow__________ .
A. before winter B. during winter C. after winter D. all year round
【3】People use fans to____________ .
A. keep off the hot sun B. keep cool C. help to swim D. keep warm
【4】"He" spends much money _______.
A. going to beaches B. buying tree leaves
C. clearing leaves D. travelling in autumn
【5】The title of the poem is most likely to be_____________ .
A. Weather B. Tree leaves C. Goods and bads D. Seasons
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【题目】读《中国山脉图》,回答有关问题:![]()
(1)填出字母所代表的地形区.
①高原,②盆地,③平原,④平原,⑤高原,⑥盆地,
⑦盆地,⑧山脉,⑨盆地.
(2)我国地势的主要特点是 .
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【题目】某校七年级(1)班周末组织学生春游,参观了如图中的一些景点和设施,为了便于确定方位,带队老师在图中建立了平面直角坐标系(横轴和纵轴均为小正方形的边所在直线,每个小正方形边长为1个单位长度)
(1)若带队老师建立的平面直角坐标系中,游乐园的坐标为(2,﹣2),请你在图中画出这个平面直角坐标系.
(2)根据(1)中建立的平面直角坐标系,指出其它景点和设施的坐标.![]()
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