[单项选择]The evidence suggests that the correlation of returns between U.S. government bonds and an index of international government bonds is:（）
A. between 0.0 and -0.5, and that between indices of U. S. investment grade bonds is between 0.0 and 0.5.
B. between 0.0 and 0.5, and that between indices of U. S. investment grade bonds is close to 1.0.
C. between 0.0 and 0.5, and that between indices of U. S. investment grade bonds is between 0.25 and 0.75.

[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]Empirical evidence suggests that the security market line (SML) does not maintain a constant slope or intercept across time, creating valuation issues for securities analysts and portfolio managers. Which of the following will cause the slope of the SML to change or cause a shift in the SML Change in Slope Shift in SML（） ①A. An increase in expected inflation A decrease in real growth ②B. A decrease in real growth An increase in the market risk premium ③C. An increase in the market risk premium Unexpected growth of the money supply
A. ①
B. ②
C. ③

[填空题]As scientific evidence suggests, organic food is more nutritious and safer than conventional food.

[填空题]Considerable evidence suggests that (学习好的往往是那些词汇量大的学生)____________________________________________________________.

[填空题]Medical evidence suggests that ______ (大多数人会享有更健康的身体) if they ate less refined food.

[填空题]Researchers have found more evidence that suggests a relationship between race and rates of lung cancer among smokers. Some (26) have shown that blacks arc more likely than whites to get lung cancer from smoking.
Researchers at the University of Southern California and the University of Hawaii did the new study. The New England (27) of Medicine (28) the findings.
The eight-year study (29) more than one hundred eighty thousand people. They provided (30) about their tobacco use and their diet as well as other information. They included (31) and former smokers and people who never smoked. Almost two thousand people in the study developed lung cancer.
Researchers say (32) might help explain the racial and ethnic differences. There could be differences in how people’s bodies react to smoke. But (33) influences, including the way people smoke, could also make a difference.
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