职称英语考试

试题来源：职称英语模拟题-理工类-补全短文
【单选题】

The Invader of AIDS

The invader is small, even in the microscopicworld of bacteria and viruses. It is alive only in the strictest sense of theworld. It had no intelligence, no means of mobility, no methods of defense inthe outside world. It is fragile, easily killed by common household bleach(漂白剂)and even short periods outside the body. 1 . It is the AIDS virus,and it is a killer.

AIDS is a disease, caused by a virus thatbreaks down part of the body’s immune system, leaving aperson defenseless against a variety of unusual life-threatening illnesses.2 .The body’s immune system normally provides us theweapons we need to win constant battles with invading viruses, bacteria andother invading organisms. His defense system is powerful but not perfect. 3 .We do not even know that anything is happening.

But the AIDS virus acts differently from otherinvaders. It attacks the very cells that normally protect us. 4 . It turns ourown white blood cells into mini-factories or making more viruses. Each time acell is taken over, it fills up with thousands of new viruses, dies andreleases those viruses, with attack more white blood cells. After enoughattacks, our defense system is weakened and certain infections and conditionsthat we normally fight off with no problem take advantage of his weakness.

5 . The person dies. There are no cure forAIDS, so learning about the disease and how to avoid it are our only weapons.

A Yet it may be the most dangerous enemy inhuman history

B Whatever condition develops because of AIDS,the outcome is always the same

C It gets inside these cells into mini factorsor making more virus

D Each of the letters in AIDS stands for aword:Acquired Immune Deficiency Syndrome

E The patients who suffer from AIDS havecharacteristic features

F Most attacks are detected and beaten off with ease
试题出处：http://www.examtiku.com/shiti/1685014151.html
网考网参考答案：A、D、F、C、B
网考网解析：进入考试题库查看解析
大数据分析：根据网考网与考试题库的统计分析，该试题：
29%的考友选择了A选项
7%的考友选择了B选项
0%的考友选择了C选项
52%的考友选择了D选项
2%的考友选择了E选项
10%的考友选择了F选项
考友解析与评论：
 · 我做了好几遍答案都是A、D、F、C、B
 · 我觉得A、D、F、C、B也不对
 · 这个答案肯定不对