[单项选择]Considerable research evidence suggests that students who are successful in school are those with enough self-confidence.
A. 相当多的研究表明，学习成绩最好的学生就是那些有自信心的学生。
B. 深入的研究表明，在学校成功的学生是那些有足够自信心的学生拥有者。
C. 大量的研究证据表明，在学校学习最好的学生就是那些自信心强的学生。
D. 据调查所得证据，那些在学校成功的学生就是有着足够自信心的人。

[单项选择] The evidence suggests that single fathers _____ more likely to work than single mothers.
A. should be
B. be
C. will be
D. are

[单项选择]Research suggests that women ______
A. are better at telling less serious lies than men are
B. generally lie far more than men do
C. lie at parties more often than men do
D. often make promises they intend to break

[单项选择]Recent research into aging suggests that the body's defense mechanisms may lose the ability to distinguish what is alien.
A. insane
B. infectious
C. foreign
D. poisonous

[单项选择]Research on lying suggests that women ________.
A. are more skilled at telling less serious lies than men
B. tell more lies than men
C. tend to flatter people more often than men do
D. are better at telling lies at parties than men do

[单项选择]The passage suggests that all research has proven that which of the following is true about the phenomenon of synesthesia
A. (A) The lack of synesthetic color differences tends to hinder synesthetics in the same tasks where the presence of real color differences assists nonsynesthetes.
B. (B) The presence of real color differences tends to assist nonsynesthetes in the same tasks where the lack of synesthetic color differences assists synesthetes.
C. (C) The presence of synesthetic color differences tends to assist synesthetics in the same tasks where the presence of real color differences hinders nonsynesthetes.
D. (D) The lack of synesthetic color differences tends to hinder nonsynesthetes in the same tasks where the presence of real color differences assists synesthetes.
E. (E) The presence of real color differences tends to assist synesthetes in the same tasks where the lack of synesthetic color differences hinders nonsynesthetes.

[单项选择]Many schools have bought computers for their students because of ______.
A. their wide variety
B. their wide use
C. the free choice of computers
D. the free choice of educational programs

[单项选择]According to the first paragraph an American student is allowed ______.
A. to live in a different university
B. to take a particular course in a different university
C. to live at home and drive to classes
D. to get two degrees from two different universities