Chọn đáp án đúng:

Coral reefs are structures of hard rock (26) ... can be found in warm shallow sea water. They are formed by corals, small plant-like animals that live in large groups. Coral reefs are home to an amazing variety of plants and fish. Indeed, coral reefs are so rich in color and variety that they have been (27) ... the “tropical forests of the sea”. Sadly, just like rainforests, coral reefs are under threat from human activities. Climate change, overfishing and ocean pollution are causing damage to coral reefs all over the world. Already, scientists estimate that 10% of the world’s coral reefs no long exist and an incredible 60% are endangered. The problem (28) ... in the fact that coral reefs are very sensitive to
changes in water temperature. Climate change, which is expected to significantly raise water temperatures in the next few decades, could cause serious (29) ... to the world’s coral reefs. There are a (30) ... of things you can do to help protect coral reefs. They are among the most beautiful ecosystems in the world and it’s up to us to save them!
26.A. who          B. that      C. where      D. whose
27.A. called       B. described      C. identified       D. recognized
28.A. stays        B. occurs           C. lies                D. deals
29.A. harm        B. hurt                C. injury            D. wound
30.A. figure       B. total               C. amount         D. number

Chọn từ trái nghĩa:

22.Everyone in my class admires Jane for her exceptional (intelligence).
A. awareness    B. stupidity    C. perception    D. wisdom
23.I’m sorry. I didn’t mean to make too much noise in the room. I must have (forgotten my manners).
A. reminded my manners         B. remembered what I said
C. talked too little                     D. behaved politely

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

_____________ species are plant and animal species which are in danger of extinction.

A. Dangerously

B. Endangered

C. Endanger

D. Dangerous

Complete each sentence with a suitable word in the box toxic damage deforestation natural habitats contaminated danger destruction habitat 1. Today many species of plant and animal are in …………………….of extinction. 2. A majority of local people have been infected with a dangerous disease because of the …………………………………..water taken from the river. 4. The ……………………………………….of the rainforest is very worrying. 3. During the last few decades, human beings have done a great …………..……. to the environment. 5. The dumping of …………………….…waste by industry has contributed to speeding up the damage of the environment. 6. Tropical rainforests have helped to keep the environment in balance, but recent .………………..,,,,.means more pollution and serious natural disasters. 7. This also means that the ……………….of many animals are being destroyed. 8. The forest provides a(n) ……………………….for hundreds of species of plants and animals.

Today many species of plant and animal are in ________ of extinction.

A. danger  

B. endangered      

C. endanger          

D. dangerour

Complete each sentence with a suitable word in the box

1. Today many species of plant and animal are in …… ……………….of extinction.
2. A majority of local people have been infected with a dangerous disease
because of the …………………………………..water taken from the river.
4. The ……………………………………….of the rainforest is very worrying.
3. During the last few decades, human beings have done a great … ………..…….
to the environment.
5. The dumping of …………………….…waste by industry has contributed to
speeding up the damage of the environment.
6. Tropical rainforests have helped to keep the environment in balance, but
recent .………………..,,,,.means more pollution and serious natural disasters.
7. This also means that the ……………….of many animals are being destroyed.
8. The forest provides a(n) ……………………….for hundreds of species of plants
and animals

Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

Foods of animal origin(A) generally supply greatest (B) amounts(C) of iron to the diet than do foods of(D) plant origin.

A. animal origin

B. greatest 

C. amounts

D. do foods of