Read the following passage and choose the best answer for each blank.
Attractive landscape sites, such as sandy beaches, lakes, riversides, and mountain tops and slopes, are often affected by mass tourism. Physical (26) _______ are caused not only by clearing and construction of tourism-related land, but by continuing tourist activities and (27) _______changes in local economies and ecologies.
The development of tourism (28) _______such as accommodation, water supplies, can (29) _______ sand mining, beach and sand dune erosion, soil erosion and extensive paving. In addition, road and airport construction can lead to land degradation and loss of wildlife habitats and deterioration of scenery.
In Yosemite National Park in the United States, for instance, the number of roads and facilities (30) _______ to keep pace with the growing visitor numbers and to supply facilities, infrastructure and parking lots for all these tourists. These actions have caused (31) _______loss in the park and are (32) _______by various forms of pollution including air pollution from automobile emissions. The authorities have reported, "Smog was (33)_______that Yosemite Valley could not be seen from airplanes". This occasional smog is harmful to all species and vegetation inside the park.
Construction of ski resort accommodation and facilities frequently (34) _______clearing forested land. Coastal wetlands are often drained and filled due to lack of more suitable sites for construction of tourism facilities and infrastructure. These activities can cause severe disturbance and erosion of the local (35) _______, even destruction in the long term.
and are (32) _______by various forms of pollution including air pollution from automobile emissions.
A. happened
B. accompanied
C. gone
D. appeared
Giải bởi Vietjack
happened (v): xảy ra
accompanied (v): cùng với
gone (v): đi
appeared (v): xuất hiện
=> and are accompanied by various forms of pollution including air pollution from automobile emissions.
Tạm dịch: và được đi kèm với các hình thức khác nhau của ô nhiễm bao gồm ô nhiễm không khí từ khí thải ô tô.
Đáp án cần chọn là: B
Robert Frost was not well known as a poet until he reached the forties.
Dinosaurs became ____ millions of years ago.
We should develop such ____ sources of energy as solar energy and nuclear energy.
Many organizations have been set up and funds have been raised.
Venus approaches the Earth more closely than any other planet is.
Laura said that when she ____ to school she had seen an accident.
Trees not only bring nature to urban areas, but they also help clean the air by absorbing pollutants, ______ oxygen, ______ water, and grow food.
Many rare____of animals are in danger of extinction.
Many national parks have been established to protect ____animals.
I’m always nervous when I travel by air.
All fossil fuels are ____ resources that cannot be replaced after use
Oil, coal and natural gas are ____ fuels made from decayed material.
Fewer people came to the meeting than we had expected.
Increased consumption will lead to faster ____ of our natural resources.
The earth is the only planet with a large number of oxygen in its atmosphere.
