II.Reading Comprehension:
题目
II.Reading Comprehension:
To insure means to protect against a loss of money.Most people can budget(预算)their money so that their income will cover expected expenses such as food,clothing,housing,and public services.But,there is no way to know in advance who will suffer a crisis such as a serious illness,fire,flood,or a car accident.Such crises usually result in great expense.Even if people could predict crises,it would be hard to save enough money to cover the expenses.Insurance is a system by which a company collects money from many individuals and then pays certain expenses whenever one of those insured individuals is faced with a certain crisis.An insurance policy(保险单)states how much the insurance costs and how much the company will pay when a policy holder is faced with a certain crisis.There are many different kinds of insurance,including hospital,motor-car,and fire.Insurance can be rather expensive but most people buy insurance of some kind.Insurance is something that people
答案
36A
37C
38B
39D
40B
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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