Đáp án D => harmless
Có thể thấy 2 vế tương phản nhau về nghĩa. Vế trước nói rằng những con rắn này không gây hại, nên vế sau phải dùng từ harmless: vô hại
Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes harm ecosystems. If there is too (1)____ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fire for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets the seeds (2)_____. Polluting the air, soil, and water can harm ecosystems. Building (3)_______ on rivers for electric power and irrigation can harm ecosystems around the rivers. Bulldozing wetlands and cutting down (4)________ destroy ecosystems. Ecologists are working with companies and governments to find better ways of catching fish, cutting down trees, and building dams. They are looking for ways to get food, lumber, and other products for people (5)________ causing harm to ecosystems
Điền vào số 5
A. avoid
B. without
C. not
D. no
Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes harm ecosystems. If there is too (1)____ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fire for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets the seeds (2)_____. Polluting the air, soil, and water can harm ecosystems. Building (3)_______ on rivers for electric power and irrigation can harm ecosystems around the rivers. Bulldozing wetlands and cutting down (4)________ destroy ecosystems. Ecologists are working with companies and governments to find better ways of catching fish, cutting down trees, and building dams. They are looking for ways to get food, lumber, and other products for people (5)________ causing harm to ecosystems
Điền vào số 2
A. out
B. in
C. go
D. fly
Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes harm ecosystems. If there is too (1)____ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fire for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets the seeds (2)_____. Polluting the air, soil, and water can harm ecosystems. Building (3)_______ on rivers for electric power and irrigation can harm ecosystems around the rivers. Bulldozing wetlands and cutting down (4)________ destroy ecosystems. Ecologists are working with companies and governments to find better ways of catching fish, cutting down trees, and building dams. They are looking for ways to get food, lumber, and other products for people (5)________ causing harm to ecosystems
Điền vào số 1
A. little
B. a little
C. few
D. a few
Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes harm ecosystems. If there is too (1)____ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fire for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets the seeds (2)_____. Polluting the air, soil, and water can harm ecosystems. Building (3)_______ on rivers for electric power and irrigation can harm ecosystems around the rivers. Bulldozing wetlands and cutting down (4)________ destroy ecosystems. Ecologists are working with companies and governments to find better ways of catching fish, cutting down trees, and building dams. They are looking for ways to get food, lumber, and other products for people (5)________ causing harm to ecosystems
Điền vào số 3
A. hills
B. forests
C. jungles
D. woods
Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes harm ecosystems. If there is too (1)____ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fire for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal and lets the seeds (2)_____. Polluting the air, soil, and water can harm ecosystems. Building (3)_______ on rivers for electric power and irrigation can harm ecosystems around the rivers. Bulldozing wetlands and cutting down (4)________ destroy ecosystems. Ecologists are working with companies and governments to find better ways of catching fish, cutting down trees, and building dams. They are looking for ways to get food, lumber, and other products for people (5)________ causing harm to ecosystems
Điền vào số 3
A. moats
B. ditches
C. dams
D. bridges
Mark the letter A,B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
Smoking is an extremely harmful habit. You should give it up immediately.
A. You should give up smoking immediately and you will fall into an extremely harmful habit.
B. When you give up smoking immediately, you will affect your health with this harmful habit.
C. Stop your smoking immediately so it will become one of your extremely harmful habits.
D. As smoking is an extremly harmful habit, you should give it up immediately.
There are a number of options when it refers to choosing childcare. These range from child minders and nannies through to Granny or the kind lady across the street. In reality, however, many parents do not have any choice; they have to accept anything they can get. Be prepared! No (1) _____ how good the childcare may be, some children are going to protest wildly if they are left. This is a (2) _____ normal stage of child development. Babies separate well in the first six months, but soon after that they start to get a crush on Mum and close family (3) _____. Make sure that in the first week, you allow plenty of time to help your child settle in. All children are different. Some are independent, while others are more (4) _____ to their mothers. Remember that if you want to do the best for your children, it’s not the quantity of time you spend with them; it’s the (5) _____ that matters.
Điền vào số 4
A. used
B. attached
C. keen
D. fond
There are a number of options when it refers to choosing childcare. These range from child minders and nannies through to Granny or the kind lady across the street. In reality, however, many parents do not have any choice; they have to accept anything they can get. Be prepared! No (1) _____ how good the childcare may be, some children are going to protest wildly if they are left. This is a (2) _____ normal stage of child development. Babies separate well in the first six months, but soon after that they start to get a crush on Mum and close family (3) _____. Make sure that in the first week, you allow plenty of time to help your child settle in. All children are different. Some are independent, while others are more (4) _____ to their mothers. Remember that if you want to do the best for your children, it’s not the quantity of time you spend with them; it’s the (5) _____ that matters.
Điền vào số 3
A. people
B. adults
C. members
D. grown-ups
There are a number of options when it refers to choosing childcare. These range from child minders and nannies through to Granny or the kind lady across the street. In reality, however, many parents do not have any choice; they have to accept anything they can get. Be prepared! No (1) _____ how good the childcare may be, some children are going to protest wildly if they are left. This is a (2) _____ normal stage of child development. Babies separate well in the first six months, but soon after that they start to get a crush on Mum and close family (3) _____. Make sure that in the first week, you allow plenty of time to help your child settle in. All children are different. Some are independent, while others are more (4) _____ to their mothers. Remember that if you want to do the best for your children, it’s not the quantity of time you spend with them; it’s the (5) _____ that matters.
Điền vào số 2
A. perfectly
B. extremely
C. very
D. certainly
