Natural, finely tuned patterns of human reproduction have ______ by settled agriculture and urban living.
been irrevocably altered
举一反三
- For traditional agriculture, urban agriculture is a(n) ________.
- We have to understand the new relationship between human civilization and the earth’s natural balance.
- Used to rural life, my parents have trouble _____ to living in the urban area. A: adjusting B: adjusted C: to adjust D: adjust
- What dilemma do many young people have to face? A: High cost of living. B: Overcrowding anywhere. C: Pollution of living surroundings. D: Choices of staying.
- No sooner ________ themselves in their seats in the theatre ________ the curtain went up. A: they have settled; before B: had they settled; than C: have they settled; when D: they had settled; than
内容
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All people___the same patterns of human development.
- 1
Human brain uses patterns to store memories.
- 2
The relationship between tourism and nature is not complicated and many human activities do have good effects on environment, both natural and man-made.
- 3
The problem ________ , they decided to go back home. A: was settled B: settling C: have settled D: being settled
- 4
The relationship between tourism and nature is not complicated and many human activities do have good effects on environment, both natural and man-made. A: 正确 B: 错误