2021全国英语等级考试（四级）真题模拟05-12

1、The author’s primary purpose in the text is to ______.（单选题）

A. clarify the kinds of understanding an adolescent must have in order to develop a political ideology

B. dispute the theory that a political ideology can be acquired during adolescence

C. explain why adolescents are generally uninterested in political arguments

D. suggest various means of encouraging adolescents to develop personal political ideologies

试题答案：A

2、One factor causing death on organ transplantation is ______.（单选题）

A. heavy bleeding during surgery

B. destruction of patients’ immune system

C. objection from patients to taking organs of others

D. doctors’ lack of confidence

试题答案：A

3、In the US, there is a long waiting list for organs because ______.（单选题）

A. there is a shortage of actual organs

B. only a few people become organ donors

C. doctors have set a limit to the number of organ recipients

D. transplant surgery is still experimental

试题答案：B

4、The author’s proposal differs from the Immigration and Naturalization Act of 1990 in ______.（单选题）

A. the kind of green card.

B. the amount of investment capital.

C. the budget for the whole process.

D. the certainty of issuing green cards.

试题答案：D

5、We can draw a conclusion from the text that ______.（单选题）

A. oil-price shocks are less shocking now

B. inflation seems irrelevant to oil-price shocks

C. energy conservation can keep down the oil prices

D. the price rise of crude leads to the shrinking of heavy industry

试题答案：A