[单项选择]Passage One 　　Questions 21 to 24 are based on the passage you have just heard.
A. A school teacher
B. A bus driver.
C. . A kind presenter
D. A tourist guide.

[单项选择]Passage One
Questions 26 to 28 are based on the passage you have just heard.
A. In Africa.
B. In Chicago.
C. In Washington.
D. In Californi

[单项选择]Passage One
Questions 26 to 29 are based on the passage you have just heard.
A. They do not know what to learn.
B. They are too young to concentrate their attention for a long time.
C. They are occupied with learning.
D. They set up the sound foundation for their future studies.

[单项选择]Passage One 　　Questions 21 to 24 are based on the passage you have just heard.
A. A house visiting.
B. Some pictures taken.
C. Visiting the sights.
D. A bird watching.

[单项选择]　Passage One 　　Questions 52 to 56 are based on the following passage. 　　In the early 20th century, few things were more appealing than the promise of scientific knowledge. In a world struggling with rapid industrialization, science and technology seemed to offer solutions to almost every problem. Newly created state colleges and universities devoted themselves almost entirely to scientific, technological, and engineering fields. Many Americans came to believe that scientific certainty could not only solve scientific problems, but also reform politics, government, and business. Two world wars and a Great Depression rocked the confidence of many people that scientific expertise alone could create a prosperous and ordered world. After World War Ⅱ, the academic world turned with new enthusiasm to humanistic studies, which seemed to many scholars the best way to ensure the survival of democracy. American scholars fanned out across much of the world—with support from the Ford Foundation, t
A. The STEM subjects are too challenging for students to learn.
B. Some Asian countries have overtaken America in basic sciences.
C. America is lagging behind in the STEM disciplines.
D. There are not enough scholars in humanistic studies.