自考：大学英语(一)真题练习详解及解析

自考：大学英语（一）真题练习答案及解析

1.单选题

[填句补文]The black robin(旅鸫)is one of the world‘s rarest birds. It is a small，wild bird， and it lives only on the island of Little Mangere， off the coast of New Zealand. In 1967 there were about fifty blackrobins there; in 1977 there were fewer than ten. ________.

A、These are the only black robins left in the world.

B、Detailed studies are going on， and a public appealfor money has been made.

C、Those that fail to meet the challengeswill disappear early.

D、Both represent orders in theclassification of life.

答案：A

解析：前文说的是The blackrobin(旅鸫)的现存数量和活动地点。选项A说的是这里成为有The black robin的唯一的地方。所以，选项A是合适的选项。

2.单选题

[填句补文]As part of their study， the researchersused a special machine to take action photos of the students‘ brains. ________. This is the same part of the brain that becomesactive when good readers read. This activated brain area appears to include astructure that helps people recognize familiar written words quickly.

A、As part of the study， 37 struggling readersreceived special tutoring.

B、The pictures showed an increase in activity in the back of the brainon the left side.

C、By the end of the school year， thesechildren could read faster than before.

D、Do you have difficulty reading in class?

答案：B

解析：这一段说的是：作为研究的一部分，研究人员用一个特殊的机器拍摄学生大脑的动作照片。B说的是：照片显示左大脑后部的活动增加了。