自考英语一真题精选及详解

自考英语一真题精选及答案

1.单选题

[概括大意] It is often thought that science fiction is a fairly new development in literature， but its ancestors can be found in books written hundreds of years ago. These books were often concerned with the presentation of some form of ideal society，a theme which is still often found in modern stories.

The main idea of this paragraph is__________.

A、Science Fiction is a Fairly New Development in Literature

B、Origins of Science Fiction

C、The Theme of Science Fiction

D、Science Fiction Has a Short History

正确答案：B

答案解析：从第一段话可以看出这段文字介绍了科普小说的起源。因此选择B。

2.单选题

[填句补文]Doctors believe that secondhand smoke may cause lung cancer in people who do not smoke because nonsmokers often breathe in the smoke from ot her people‘s cigarettes.________. The US Environmental Protection Agency reports that about 53，

000 people die in the United States each year as a result of exposure to secondhand smoke.

A、The risk is even higher for children who live in homes where both parents smoke.

B、In the United States，nine million children under the age of five live in homes with at least one smoker.

C、This smoke is called secondhand smoke.

D、No one knows for sure why Mr. Gilson has lung cancer.

正确答案：C

答案解析：前一句提到，不吸烟者时常吸入他人香烟中冒出的烟，接下来应首选对此烟加以定义的句子。

3.单选题

[填句补文]The weather of the Caribbean Sea is almost always warm and sunny.Sandy beaches line the coasts of many islands. ________. Many tourists arrive on cruise ships.

A、They are Cuba，Puerto Rico，Jamaica，and Hispaniola.

B、The Caribbean Islands are known by several names.

C、Some of these islands are no more than tiny slivers(小片)of exposed coral.

D、This is why millions of tourists visit the islands each year.

正确答案：D

答案解析：最后一段讲到加勒比海的天气温暖，阳光充裕，许多岛屿的海岸有沙滩。这样的自然环境显然会吸引旅游者。因此D是正确的选择。这里也可以根据关键词tourists来解题。

4.单选题

[填句补文]More and more Americans are living alone. Some live alone because of divorce or the death of a partner. ________. According to a recent U.S. census (人口普查)， 25 percent of all households in the U.S. are made up of just one person.

A、It seems that many grown-ups today are realizing that childhood dream.

B、He says，“I like being by myself.”

C、However， even more people are living alone because they have chosen to.

D、There‘s more pressure to get married nowadays.

正确答案：C

答案解析：前句中是在对美国独身人中的具体情况进行介绍，而且提到了一些美国人独身leave alone的原因，这是一个线索词，判断C是答案，C中提到了更大多数美国人独身的原因。