41.The annual worth of Utah’s manufacturing is greater than that of its mining and farming combined.
42.The wallflower is so called because its weak stems often grow on walls and along stony cliffs for support.
43.It is the interaction between people, rather than the events that occur in their lives, that is the main focus of social psychology.
44.No social crusade aroused Elizabeth Williams’ enthusiasm more than the expansion of educational facilities for immigrants to the United States.
45.Quails typically have short rounded wings that enable them to spring into full flight instantly when disturbed in their hiding places.
46.According to anthropologists, the earliest ancestors of humans that stood upright resembled chimpanzees facially, with sloping foreheads and protruding brows.
47.Not until 1866 was the fully successful transatlantic cable finally laid.
48. In his writing, John Crowe Ransom describes what he considers the spiritual barrenness of society brought about by science and technology.
John Crowe Ransom在他的著作中描述了他認為是由科學技術給社會帶來的精神貧困。
49. Children with parents whose guidance is firm, consistent, and rational are inclined to possess high levels of self-confidence.
50.The ancient Hopewell people of North America probably cultivated corn and other crops, but hunting and gathering were still of critical importance in their economy.