题目内容
（请给出正确答案）
【C4】
A．In addition
B．However
C．In contrast
D．Therefore
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更多“【C4】A．In additionB．HoweverC．In contrastD．Therefore”相关的问题
CROCODILES
We can find crocodiles in tropical parts of the world, for example Africa, South America and Northern Australia.
They spend most of the time 【C1】______ slow-moving water but they 【C2】______ move fast through the water and on land. You often see crocodiles together in large groups. They 【C3】______ everything they catch, 【C4】______ fish, birds and small animals. And sometimes they make a meal of large animals or even people.
There are 【C5】______ than ten types of crocodile. They all have very sharp teeth. They often lose 【C6】______ teeth, but soon get new ones.
Crocodiles are usually about 3.5 metres long, but some are much 【C7】______ Crocodiles live 【C8】______ a long time. The oldest one kept in a zoo was 66 years old.
【C1】______
A．in
B．on
C．at
【C1】
A．In
B．On
C．By
D．With
The problem with the joke, of course, is that it's【C4】______funny. The recent surveys on【C5】______illiteracy (无知) arc beginning to numb (令人震惊): nearly one third of American 17yearolds cannot even【C6】______which countries the United States【C7】______against in that war. One third have no【C8】______when the Declaration of Independence was【C9】______. One third through Columbus reached the New World after 1750. Two thirds cannot correctly【C10】______the Civial War between 1850 and 1900.【C11】______when they get the answers right, some are【C12】______guessing.
Unlike math or science, ignorance of history cannot be【C13】______connected to loss of international【C14】______. But it does affect our future【C15】______a democratic nation and as individuals.
The【C16】______news is that there is growing agreement【C17】______what is wrong with the【C18】______of history and' what needs to be【C19】______to fix it. The steps are tentative (尝试性的)【C20】______yet to be felt in most classrooms.
【C1】
A．in
B．by
C．for
D．about
The【C13】______similarity of liquids and gases becomes clearly apparent when the temperature and pressure are raised somewhat.【C14】______a closed container partially filled with a liquid is heated. The liquid expands, or【C15】______, becomes less dense; some of it evaporates.【C16】______, the vapor above the liquid surface becomes denser as the evaporated molecules are【C17】______it. The combination of temperature and pressure【C18】______the densities become equal is【C19】______the critical point. Above the critical point the liquid and the gas can no longer be【C20】______; there is a single, undifferentiated fluid phase of uniform. density.
【C1】
A．in
B．on
C．under
D．beyond
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