问题 单项选择题

HBV的传播途径不包括

A.消化道传播

B.垂直传播

C.血液传播

D.血制品传播

E.性接触传播

答案

参考答案:A

解析:乙型肝炎病毒(HBV)的传染源是患者和无症状携带者,主要通过血液、血制品、性接触和母婴垂直传播等途径传播。故选A。

阅读理解

Rachel Carson was born in the USA on May,1907. Her mother, Maria Carson, had been a schoolteacher. She also loved nature. She showed Rachel the beauty of nature. She also taught Rachel a deep love for books. As a quiet child, Rachel liked to read and write stories. At a very early age, she decided she wanted to be a writer some day. Her story first appeared in a children’s magazine when she was ten years old.

Her first books, Under the Sea Wind came out in 1941. In 1948, Miss Carson began working on another book, The Sea Around Us. She always remembered carefully when she wrote. She collected information from more than one thousand places to write The Sea Around Us. When the book came out in 1951, it won the National Book Award. It was No. 1 on the best-seller list for more than a year. The Sea Around Us made Rachel Carson famous.

Rachel Carson’s most famous book, Silent Spring came out in 1962. In this book, she pointed out that the use of some kinds of pesticides(杀虫剂) like DDT would cause the number of birds to decline because it would kill them as well. Finally, in November 1969, the United Sates government decided that the use of DDT must stop in two years.

Rachel Carson has been regarded as a great environmentalist(环保主义者) and writer. She will be remembered by the world.

小题1:Rachel Carson had a deep love for nature and books because of ____________.

A.her father

B.her mother

C.her schoolteacher

D.her brother小题2:Rachel decided that she wanted to be a writer when ___________.

A.she was very young

B.she was in college

C.she became a teacher

D.she became famous小题3:The Chinese meaning of the word ”decline” in this passage is probably “___________”.

A.增加

B.减少

C.维持

D.翻番小题4:Which of the following is NOT true according to the passage?

A.Rachel Carson was a careful and serious writer.

B.The Sea Around Us won the National Book Award.

C.In Silent Spring Rachel said some pesticides were bad for the environment.

D.The use of DDT was stopped as soon as the book Silent Spring came out.

单项选择题