Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 38 to 42. The biological community changes again as one moves from the city to the suburbs. Around all cities is a biome called the "suburban forest". The trees of this forest are species that are favored by man, and most of them have been deliberately planted. Mammals such as rabbits, skunks, and opossums have moved in from the surrounding...
Đọc tiếp
Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 38 to 42.
The biological community changes again as one moves from the city to the suburbs. Around all cities is a biome called the "suburban forest". The trees of this forest are species that are favored by man, and most of them have been deliberately planted. Mammals such as rabbits, skunks, and opossums have moved in from the surrounding countryside. Raccoons have become experts at opening garbage cans, and in some places even deer wander suburban thoroughfares. Several species of squirrel get along nicely in suburbia, but usually only one species is predominant in any given suburb - fox squirrels in one place, red squirrels in another, gray squirrels in a third - for reasons that are little understood. The diversity of birds in the suburbs is great, and in the South, lizards thrive in gardens and even houses. Of course, insects are always present. There is an odd biological sameness in these suburban communities. True, the palms of Los Angeles are missing from the suburbs of Boston, and there are species of insects in Miami not found in Seattle. But over wide stretches of the United States, ecological conditions in suburban biomes vary much less than do those of natural biome. And unlike the natural biomes, the urban and suburban communities exist in spite of, not because of, the climate.
The author implies that the mammals of the "suburban forest" differ from most species of trees there in which of the following ways?
A. They were not deliberately introduced.
B. They are considered undesừable by humans.
C. They are represented by a greater number of species.
D. They have not fully adapted to suburban conditions.
TRẢ LỜI CHO MÌNH NGAY HÔN NAY NHA AI NHANH MÌNH SẼ TICK
forest are useful to man in several ways. Wood is always necessary for buiding and making all kinds of things and we usually needfire in our house. Forest provide timber, one of the mosr valuable resurces but we must use them wisely. Man shuold not cut down trees because trees are also needed to preserve land. Their roots bind the soil and prevent heavy rain from washing the soil away.
***Questions***
1.Are forests useful to man?
=> Yes.
2.What do forest provide?
=> Forest provide timber, one of the mosr valuable resurces but we must use them wisely.
3.Why shouldn't man cut dowm trees?
=> Because trees are also needed to preserve land.
4.How do trees preserve land?
=> Their roots bind the soil and prevent heavy rain from washing the soil away.
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