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听力原文: The first postal service in North America began in New England in the 17th century. All mail arriving in Massachusetts colony was sent to the home of appointed official in Boston. In turn, he would deliver the mail from Boston on horseback to its destination, receiving one penny for each good article of mail. Later in the century postal services were established between Philadelphia and Delaware. In 1691, the British crown appointed the first postmaster general to have charge of the mail for all the colonies in North America. Later, Benjamin Franklin served as the postmaster general for the British government and then was made postmaster by the newly formed United States government. Franklin was responsible for establishing the United States' postal systems on a permanent basis. He increased the number of post office, introduced the use of stagecoaches to carry mail, and started a package service system. They were used to carry mail into the towns. Some communities, especially those out west, were far from the services of transportation. To serve them, the post office developed a system called 'star routes'. Private contractors paid to deliver mail to the communities from railways by horse and wagon. The postal service, which was started over 3 centuries ago has developed in to an extensive government service with post of fices in every city town and village in the United States (33)
A.
The history of Benjamin Franklin.
B.
The history of the U.S. mail.
C.
The Changes of writing letters.
D.
The history of U. S.
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【单选题】国家食品药品监督管理局的英文缩写是:
A.
SDA
B.
SFDA
C.
GMP
D.
GSP
【简答题】国家食品药品监督管理局的英文缩写是?
【单选题】解决定义二义性问题的方法有( )
A.
只能使用作用域分辨运算符
B.
使用作用域分辨运算符或成员名限定
C.
使用作用域分辨运算符或虚基类
D.
使用成员名限定
【单选题】解决定义二义性问题的方法有()
A.
只能使用作用域分辨运算符
B.
使用作用域分辨运算符或成员名限定
C.
使用作用域分辨运算符或虚基类
D.
使用成员名限定或赋值兼容规则
【单选题】国家食品药品监督管理局的英文缩写是
A.
SDA
B.
CFDA
C.
FDA
D.
WHO
【多选题】某研究结果显示,某因素与疾病间的关系OR=1.3,其95%CI为0.8~1.9,这意味着()。
A.
总体OR值95%可能有错
B.
总体OR值在0.8~1.9的机会为95%
C.
总体OR值说明该因素与疾病无关
D.
存在偏倚的可能性为95%
E.
OR值正负关联均存在
【单选题】长期吸烟容易引起什么疾病()
A.
呼吸道疾病
B.
消化系统疾病
C.
传染病
D.
运动系统疾病
【单选题】国家食品药品监督管理局的英文缩写为
A.
SEDA
B.
CFDA
C.
SFDA
D.
NMPA
【单选题】长期吸烟容易引起什么疾病?
A.
肺病
B.
支气管炎
C.
肺结核病
D.
感冒
【单选题】长期吸烟容易引起什么疾病?
A.
支气管炎
B.
结核病
C.
矽肺
D.
感冒
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