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2,836 câu hỏi

Liittschwager and his team use the cube to __________. A. collect different species for research. B. test the quality of soil and water C. count and photograph animal species D. protect ani
15 3 tháng trước

The word "their" in paragraph 3 refers to ___________. A. scientists B. ground organisms C. cubes D. nutrients
11 3 tháng trước

The word "miniature" in paragraph 1 mean __________ . A. very small B. very large C. very beautiful D. very important
15 3 tháng trước

Another tile for the passage could be? A. Dangers to the ground creatures. B. The importance of tiny organisms. C. Saving small animals in Cubes D. The life of nutrients.
13 3 tháng trước

Which of the following are NOT mentioned in the passage as objects that are imitated as a means of protection? A. Thorns B. Flowers C. Leaves D. Sticks
17 3 tháng trước

Which of the following is true of stick insects? A. They resemble their surroundings all the time B. They make themselves look like other insects C. They are camouflaged only when walking

13 3 tháng trước

According to the passage, how does the stick caterpillar make itself look like a twig? A. By holding its body stiff and motionless B. By looping itself around a stick C. By changing the col
12 3 tháng trước

The word “enemies” in the passage mostly means_____. A. other creatures competing for space B. extreme weather conditions C. creatures that eat insects D. incredible insects
13 3 tháng trước

What is the main subject of the passage? A. Caterpillars that live in trees B. The feeling habits of insects C. How some insects camouflage themselves? D. Insects that are threatened with e
16 3 tháng trước

What is the main idea of the passage? A. Trees are used for many things. B. Maple trees grow well with walnuts. C. Walnuts can kill other trees. D. Walnut trees are valuable when planted co
13 3 tháng trước

The author of the passage probably believes that ____. A. walnut trees are endangered B. people should recycle more C. people should grow walnut trees if possible D. maple trees are not goo
16 3 tháng trước

As used in the passage, the underlined word "pigment” most nearly means ____. A. colour B. meat C. fruit D. fragrance
12 3 tháng trước

The walnut tree is believed to produce ____. A. the best wood in the world B. the most delicious meat for cooking C. poisonous roots for people D. some plants such as maple trees or ivy
13 3 tháng trước

The underlined word “It” in the first paragraph refers to ____. A. walnut tree B. walnut wood C. furniture D. flooring
16 3 tháng trước

A suitable title for this passage would be ____. A. Snow-blindness and How to Overcome It B. Nature’s Cure for Snow-blindness C. Soldiers Marching in the Snow D. Snow Vision and Its Effect

14 3 tháng trước

The underlined word “they” in the third paragraph refers to ____. A. experiments B. scouts C. main troops D. bushes
21 3 tháng trước

According to the passage, snow-blindness may be avoided by ____. A. concentrating on the solid white terrain B. searching for something to look at in snow-covered C. providing the eyes wit
12 3 tháng trước

The eyeballs become sore and the eye muscles ache because __________ . A. tears cover the eyeballs B. the eyes are annoyed by blinding sunlight C. the eyes are annoyed by blinding snow D. t
12 3 tháng trước

To prevent headaches, watering eyes and blindness caused by the glare from snow, dark glasses are ____. A. indispensable B. useful C. ineffective D. available
13 3 tháng trước

Peer pressure is often the reason for teenage smoking, drug (5) ______ or dangerous driving.
13 3 tháng trước

Advertisers know how important it is to feel that you belong to a group when you are in your teens, so they try to persuade teenagers that certain products will make them (4) ______ with thei
12 3 tháng trước

They may also worry about their appearance and often feel (2) ______ enormous pressure to dress, talk and behave the same as (3) ______.
12 3 tháng trước

They may also worry about their appearance and often feel (2) ______ enormous pressure to dress, talk and behave the same as (3) ______.
12 3 tháng trước

Many adolescents are unhappy at school because they find it difficult to (1) ______ friends.
13 3 tháng trước

Parasites are (5)______ to enter other living organisms and take food from them.
11 3 tháng trước

Although most bacteria do not contain chlorophyll, some of them can make their own organic food from simple inorganic (4)________.
11 3 tháng trước

However, since/as they are enclosed in a cell wall, they can only (3) _______ dissolved food like plants do.
14 3 tháng trước

Since most of them have no chlorophyll, they cannot use light energy to synthesize their food, (2) ________ green plants do.
12 3 tháng trước

These colorless, one-celled micro-organisms exist (1) ______ organic matter is found: in soil, in water and in the air.
13 3 tháng trước

It is variations in details rather than in fundamental patterns (5) _____________ have been important in the adaptation of birds to many kinds of ecosystems.
17 3 tháng trước

The (4) ___________ between a hummingbird and a penguin is immense, but hardly as startling as that between a bat and a whale.
13 3 tháng trước

In penguins, wings have been modified (3) ________ flippers, and feathers into a waterproof covering.
16 3 tháng trước

Wings (2) _____________ from the short, broad ones of chickens, who seldom fly, to the long slim ones of albatrosses, who spend almost all their lives soaring on air currents.
14 3 tháng trước

All birds have wings, too, but wings are not (1) ___________ to birds.
59 3 tháng trước

These food relationships between the different members of the community are known as food chains or food (5) ______.
24 3 tháng trước

Some carnivores feed on herbivores, some feed on the smaller carnivores, (4) _______ some feed on both: a tawny owl will eat beetles and shrews as well as voles and mice.
22 3 tháng trước

The plant tissues form food for the plant-eating animals (herbivores) (3) _______ are in turn eaten by flesh-eating animals (carnivores).
23 3 tháng trước

The oak tree in this example is therefore called the dominant species but there are also many other types of plants, from brambles, bushes, and small trees to mosses, lichens and algae (2) __
22 3 tháng trước

This balance is achieved by the plants and animals interacting (1) _______ each other and with their non-living surroundings.
21 3 tháng trước

Body- related changes happen as a result of (5) ___________ changes in the environment.
38 3 tháng trước

You may begin to experience difficulty breathing and an increase in heart rate (4) __________ the change in height.
20 3 tháng trước

(3 )____________ instantly, you moved back in pain.
29 3 tháng trước

This energy, in the form of food, is changed to maintain (2) __________ processes and for survival.
56 3 tháng trước

Living things include both the visible world of animals and plants as well as the invisible world of (1) __________ and viruses. On a basic level, we can say that life is ordered.
19 3 tháng trước

Which of the following can be inferred from the passage? A. China has proven itself as an emerging force in the space age. B. Space tourism is set to become a booming sector. C. Preparing

17 3 tháng trước

The following sentences are true, EXCEPT _______. A. The underlying roots of space conquest is to showcase a nation’s image and power. B. Neil Armstrong is an American astronaut and the fir
25 3 tháng trước

The word “thwart” in paragraph 4 is closest in meaning to _______. A. uphold B. bark C. hint D. block
53 3 tháng trước

According to paragraph 4, what is the current attitude of America concerning space conquest? A. America continues to oppose Russia in space conquest due to it being the socialism representat
22 3 tháng trước

The word “it” in paragraph 3 refers to _____. A. the Moon B. journey C. cold war D. knowledge
17 3 tháng trước

According to paragraph, why was the space run triggered in the 1960s? A. Geopolitical tension was such a hot potato that it was even taken to the Moon. B. The cold war was what incited the

42 3 tháng trước

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