46 câu hỏi
Vegetables are parts of (1) __________ that are consumed by humans or other animals as food.
trees
plants
growings
plantations
The original meaning is still commonly used and is applied to plants collectively to refer to all edible plant matter, (2) __________ the flowers, fruits, stems, leaves, roots, and seeds.
including
consisting
containing
concluding
At first, plants which grew locally would have been cultivated, but as time went on, trade brought exotic crops from (3)__________ to add to domestic types.
everywhere
somewhere
nowhere
elsewhere
Crops may be cultivated in protected environments in less suitable locations, and global trade in (4) __________ products allows consumers to purchase vegetables grown in faraway countries.
social
industrial
agricultural
natural
Vegetables can be eaten (5) __________ raw or cooked and play an important role in human nutrition, being mostly low in fat and carbohydrates, but high in vitamins, minerals and dietary fiber.
either
both
neither
only
The phrase "balance of nature” in the first paragraph means ____.
reducing the population of predators
keeping the right number of animals for the right amount of food
keeping the ration of small game to predators
driving animals in certain areas of the world to mass migrations
The fact that number of predators has much to do with that of other animals ____.
is not recent knowledge
has just been learned
has not proved yet
is not important now
When predators control fails, nature brings animal population into balance by ____.
eliminating the number of predators
increasing the number of other animals
seeping the help of diseases to reduce other animals
replacing the number of predators immediately
When the mongooses in Jamaica killed off the rats, they ____.
attacked humans
ate the sugar crop
became problems themselves
had nothing to eat
It is implied in the passage that ____.
sugar planters imported mongooses to control rats
man should never kill animals
man has complete control over nature
to upset the balance of nature can be troublesome
Trees are useful to man mainly in three ways, the most important of which is that they can _______.
keep him from the hot sunshine
enable him to build warships
make him draw quick profit from them
protect him from droughts and floods
It’s a great pity that in many places__________.
man is only interested in building empires
man is not eager to make profits from trees
man hasn’t realized the importance of trees to him
man hasn’t found out that he has lost all trees
The word “bind” in paragraph 5 probably means___________.
to wash away
to make wet
to make stay together
to improve
Land becomes desert after all trees are cut down because _________.
roots of trees break up the soil and wash it away
there are no larger trees to keep rain and protect the topsoil
there are too many rainfalls
strong winds bring a lot of sand
Which title best fits the passage?
Trees and Man
Preventing Droughts and Floods
How an Empire Fell
A Story about Trees
Which of the following does the passage mainly discuss?
Sea levels will become the main factor of bleaching.
Coral reefs will be overwhelmed by rising oceans.
Coral reefs may escape from extinction because of the increase in sea levels.
Global warming will cause the rise of sea levels.
What does the word “compensate” in the first paragraph probably mean?
recompense
keep up with
develop
benefit
What did scientists at Exeter University find in their research
Tropical coral reefs are increasing more quickly than others in Pacific Ocean.
The majority of tropical coral reefs cannot keep pace with the increasing rate of sea levels.
Many coral reefs are developing in spite of their degradation.
The rapid rise in sea levels does not affect the density of coral reefs.
According to the passage, the two factors causing the rise of sea levels are ___________.
global warming and freeze
severe weather and climate change
climate change and ice expansion
climate change and ice melt
What does the phrase “these effects” in paragraph 4 refer to?
ocean warming and ocean acidification
reef weakening and ocean warming
reef weakening and ocean acidification
ocean warming and CO2 absorb
The word “inundation” is closest in meaning to ______________.
drought
extinction
flood
tsunami
The author implies in the last paragraph that _____________.
even in the most optimistic prediction, coral reefs will experience their extinction.
the results of the study are more serious than what scientists have predicted.
human activities will not only affect marine life but also put themselves at risk.
people often exploit natural resources in island nations and territories.
Which of the followings best replaces the word “precipitation” in the second paragraph?
Rainfall
Water
Wetness
Storm
It is assumed that deserts are _____.
recently promising farmland
densely populated areas
home for no plants or animals
completely out of water
Which feature of desert animals is NOT mentioned?
Adapting to new environment quickly
Being active when night falls
Moving often from place to place
Being underground to avoid sunshine
What is the direct cause of desertification?
Drought for a long times
Sparsely populated areas
Strong winds and water flows
Animals kept on farms
What may make the diversity of deserts’ plants and animals poorer?
The lack of water for years at a time
The increase in the temperature of the Earth’s atmosphere
The appearance of grasses besides trees and shrubs
The considerable number of people living in desert areas
What is NOT true about desserts?
They are biologically rich habitats with a wide number of plants and animals.
They are the planet’s last remaining areas of total wilderness.
They cover more than 20% of the Earth’s land.
They are found on all of the six continents.
What subject is this text probably found in?
Biology
History
Geography
Literature
What is the best title for the text?
Deserts: General introduction
Deserts: Facts and myths
Biological features of deserts
How to survive in deserts
The passage mainly discusses how heat ______________.
is transformed and transported in the Earth’s atmosphere.
is transported by ocean currents.
can be measured and analyzed by scientists.
moves about the Earth’s equator.
The passage mentions that the tropics differ from the Earth’s polar regions on which of the following ways?
The height of cloud formation in the atmosphere.
The amount of heat they receive from the Sun.
The strength of their large scale winds.
The strength of their oceanic currents.
The underlined word “it” in the first paragraph refers to _______________.
pan
water
stove
temperature
Why does the author mention “the stove” in the first paragraph?
To describe the heat of the Sun.
To illustrate how water vapor is stored.
To give an example of a heat source.
To show how energy is stored.
According to the passage, most ocean water evaporation occurs especially __________.
around the higher latitudes
in the tropics
because of large-scale winds
because of strong ocean currents
According to the passage, 30 percent of the Sun’s incoming energy _____________.
is stored in clouds in the lower latitudes
is transported by ocean currents
never leaves the upper atmosphere
gets stored as latent heat
The underlined word “prevailing” in the second paragraph is closet in meaning to _______.
essential
circular
dominant
closet
All of the following words (in the first paragraph) are defined in the passage EXCEPT _____.
low latitudes
latent heat
evaporate
atmosphere
Which best serves as the title for the passage?
Hidden world of undersea volcanoes and lava flows discovered.
The fishy problem of underwater noise pollution.
The giant undersea rivers we know very little about.
Sea life thrives at otherworldly hydrothermal vent system.
The word “fault” in paragraph 1 is closest in meaning to _______.
mistake
defect
fracture
merit
The word “it” in paragraph 1 refers to _____.
science
complex
planet
region
According to paragraph 2, what does NOT contribute to the seismic disturbance in the Mediterranean region?
The process of the Eurasian Plate underthrusting the Adriatic-Ionian microplate.
The split-up of the smaller Adriatic-Ionian plate from its original African Plate.
The three-way clash of the tectonic plates, namely the African, the Eurasian and the Anatolian.
The constant volcanic activities around the Sardinian coast, which perturb accurate analysis.
According to paragraph 3, what did they label the newly discovered complex after?
It was benempt after melting of mantle material at the northern edge of the Ionian slab.
It was named after three most distinguished volcanic buildings rising above the seabed.
It was termed randomly after the three most world renowned underwater volcanoes.
It was entitled so due to magma upwellings caused by subduction-induced mantle flow.
What is the tone of the passage?
Subjective
Humanistic
Speculative
Technical
The word “tapping” in paragraph 4 is closest in meaning to _______.
exploiting
wringing
abusing
bugging
Which of the following can be inferred from the passage?
In the water, things get one hundred times more complicated, especially for geology.
The area helps to understand the timing of past eruptions and the evolution of the volcanic system.
Earth’s crust is literally and geologically tearing apart to form the mentioned volcanic seascape.
The volcanic rock rarely seems to stand a chance against the relentless ocean.