15.
A. Tolerance and adaptation.
B. Cheerfulness and surprise.
C. Willingness and expectation.
D. Responsibility and intelligence.
Passage Two Questions 16 to 18 are based on the passage you have just heard.
A. It lays the foundation for American engineering.
B. It is extremely important to the early space travel.
C. It is the most important part in the Apollo program.
D. It leads to rapid development of aerospace engineering.
17.
A. Elevation.
B. Mathematics.
C. Space rockets.
D. Flying aircraft.
18.
A. Encouraged people to study engineering.
B. Gave speeches on women’s social status.
Continued to teach engineering at college.
D. Continued her work in aerospace engineering.