What made the American families in the 19th century change greatly？
A. The disadvantage of the single family pattern.
B. The great increase of the urban population.
C. The rapid development of industrialization and the arrival of immigrants.
D. The improved living conditions and the women's entrance into the work force.
查看答案
What does the sentence "Individuals make it or don't make it essentially on their own" in
An individual makes his own living or does not do it.
B. An individual is solely responsible for his success or failure.
C. Individuals work separately and produce their own things.
D. Individuals succeed or fail depending on their families.
听力原文：Could I use your umbrella？
(3)
A. Move on.
B. Please do.
C. Use it.
D. Go ahead.
【33】
A. discovered
B. expose
C. unveiled
D. exhibit
The time between American businessman Dennis Tito's and a South African businessman Mark Shuttle worth's space travel is ______.
A. one year
B. two years
C. three years
D. four years
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