How is the place in New Mexico today？
A. There are still a lot of people.
B. There are no people and no trees at all.
C. It becomes sea.
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The probable title for the passage is______.
A. Marital Instability
B. Social Welfare
C. A Woman's First Marriage
D. The Influence of Nonmarital Childbearing
How many species are there on Earth according to most scientists？
About 2 million.
B. About 10 million.
C. About 100 million.
D. About 1.75 million.
The work human beings have created results from______.
A. humans' desire for food and clothing
B. humans' longing for friendship
C. inevitable evolution trend
D. development of civilization
赠与合同可以附负担，受赠人不履行负担的义务时，赠与人有权撤销赠与。()
A. 正确
B. 错误
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