红的是可能考的
问答题
第一课
1地球的一般形状
From classical times it has been known that the earth is roughly spherical in shape.
2大气的组成
Atmosphere is compod mainly of nitrogen(78.03%) and oxygen(20.99%).The remaining 0.98% of air is made of argon, carbon dioxide, and minute quantities of other gas.
3什么是水圈
The discontinuous envelop of water 校园黑道小说
that covers 71 per cent of earth’s surface is called hydrosphere.
4为什么地壳深处的重力是5.5
Becau the average specific gravity of surface rocks is only about 2.7,the material existing deep within the earth must have a specific gravity well in excess of the 5.5 average.
5水圈在哪有最大的部分
By far the greatest part of the hydrosphere is男漫游加点
contained within the ocean basins。
第二课
1 什么是固熔
Ca2++Al3+ can interchange with Na+ and Si4+,this process o外国现代诗歌大全
f interchange is called solid solution.
2 举四个富含铁，镁的硅氧矿物
Biotite , hornblerde , augite , and olivine.
3 用原子结构说明为什么石英不易破裂成光滑面
Quartz reprents the ultimate in cross-linkage of silica tetrahedra, it therefore will nor break along smooth planes.
4 列举玉髓的种类
Chert, flint, jasper, and agate.
5闪石和辉石的区别
Unlike bornblende , which has a double-chain silicate structure, augite is constructed of single chains ,and this accounts for its having differently shaped cleavage fragment.
第四课
1什么是化石
Fossil is now ud to mean the remain or traces of organisms prerved from the geologic past 2 化石发现于什么岩石中
limestone and chalk
3 在什么环境下化石得以保存
two special conditions appear to be necessary: rapid burial and the posssion
4 verte朱自清作品
brates
5古生物学有多少主要分支
invertebrate paleontology, vertebrate paleontology, paleontology, and micropaleontology 6 Each of the fields has its own specialists and embraces such a account of information that on one person can satisfactorily master more than a small fraction of the subject matter.
第五课
1 什么是地质柱状图
A list of rock layers of an area in order from oldest to youngest.
2地质年代表中划分了多少代，写出他们的名字
Four.
Cenozoic, Mesozoic, Paleozoic, Precambrian.
3前寒武纪持续了多长时间
four billion years
4 中生代开始和结束于什么时候
Paleozoic began about 600 million years ago and ended about 230 million years ago.
5 中生代生活的最大的动物是什么
Dinosaur.
6 为什么新生代叫哺乳动物时代
The Cenozoic Era is often called the Age of the Mammals since mammals are its dominant life form. Mammals dominate becau they have been able to adapt to the changes that have occurred. 第六课
1 什么是断层
We defined faults as fractures along which adjacent rock mass have slipped past one another in respon to tension , compression, or shearing stress.
2 什么是断层面
The plane of dislocation along which movements occur during faulting is called the fault plane.
3 什么是逆断层
In rever faults, the hanging wall appears to have moved upward relative to the footwall .
4 什么是正断层
In a平滑的反义词
normal fault, the hanging wall appears to have moved downward relative to the footwall .
5 什么是上盘和下盘
The side of the fault on which t入党动机和目的
he miners stood was appropriately dubbed the footwall.Above their heads was the hanging wall.
6 断层的主要种类
Normal fault , re经典诗歌朗诵大全
ver fault, thrust fault, strike-slip fault, and学习语文的方法
oblique-slip fault.
