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问题 单项选择题

采用该方法的注意事项是

A．2周内禁忌性交及盆浴
B．无需定期随访
C．长期使用无需取出
D．出现副反应不需治疗
E．避孕失败，一旦妊娠不必行人工流产

答案

参考答案：A

阅读理解
阅读并排序。下面的短文由六个段落组成，开头和结尾已给出，其余的四个段落均是随机排列的。请根
据段落之间的逻辑关系，重新排列这四个段落的顺序，使短文通顺。
     Samuel Clemens was born in 1835, Missouri. When he was four, his family moved to the town of
Hannibal, a port on the Mississippi River, and Clemens loved to watch the big steamboats going up and
down the river. He said that all the boys in his school had one ambition in life: to work on a steamboat.
     A. In 1857, he achieved his ambition and got a job working on a steamboat. He sailed up and down the wide
Mississippi River until the American Civil War began. 
     B. His father died when he was just 12 years old and Clemens then went to work for a printer to help support
his family. He traveled around, and worked in many different cities. 
     C. In 1865, Clemens wrote a story about a jumping frog with his pen-name. The story and the writer became
famous. After that, he wrote many books, including The Adventures of Tom Sawyer. It was published in 1876.
He also gave many lectures, and became a very famous and popular man. 
     D. Clemens moved around the USA on the steamboat, and tried several jobs. He was a soldier, and a silver
miner. And then he started working as a writer for a newspaper. At this time, he decided to use a pen-name for
his stories, and he chose the name "Mark Twain". Samuel Clemens died in 1910. He is considered to be one of
the greatest writers in American history.
     正确的顺序：                                                  
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单项选择题

下列各项中，属于要素收入的是（）

A.企业间接税

B.政府的农产品补贴

C.公司利润税

D.政府企业盈余
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