It is difficult (A) to get used to sleep (B) in a tent after having (C) soft, comfortable bed to lie on.(D)
A.difficult
B.to sleep
C.having
D.to lie on

Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.
WHALES
How far would you travel for a good meal? If you were a humpback whale, the answer would be five thousand miles. These large sea animals travel at least that far from their winter home off the (16)___________ of Columbia to their summer (17)___________ areas off Antarctica. The distance covered by some types of whale is amazing, especially when you (18) _______ their enormous size. The blue whale is the largest animal that has ever lived and it can weigh as much as thirty elephants. It (19)_________ as no surprise, therefore, to hear that ancient folk legends tell of sailors mistaking these creatures for islands. The more we find out about whales, the more wonderful they seem. Some species can hold their breath for more than an hour and dive to a depth of over 200 metres. They use a system of sounds known as echolocation to find the fish they eat and they have further sounded to keep in (20) _____ The noises they produce can travel hundreds of miles under water. Some species seem to sing complicates songs which consist of a number of separate themes, sung in a specific order which can last up to half an hour or more. If you ever get the chance to see one of these great creatures in the wild, you will understand why they have inspired so many legends.
A.consider
B.think
C.view
D.believe

Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.
WHALES
How far would you travel for a good meal? If you were a humpback whale, the answer would be five thousand miles. These large sea animals travel at least that far from their winter home off the (16)___________ of Columbia to their summer (17)___________ areas off Antarctica. The distance covered by some types of whale is amazing, especially when you (18) _______ their enormous size. The blue whale is the largest animal that has ever lived and it can weigh as much as thirty elephants. It (19)_________ as no surprise, therefore, to hear that ancient folk legends tell of sailors mistaking these creatures for islands. The more we find out about whales, the more wonderful they seem. Some species can hold their breath for more than an hour and dive to a depth of over 200 metres. They use a system of sounds known as echolocation to find the fish they eat and they have further sounded to keep in (20) _____ The noises they produce can travel hundreds of miles under water. Some species seem to sing complicates songs which consist of a number of separate themes, sung in a specific order which can last up to half an hour or more. If you ever get the chance to see one of these great creatures in the wild, you will understand why they have inspired so many legends.
A.seems
B.comes
C.gets
D.goes

Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.
WHALES
How far would you travel for a good meal? If you were a humpback whale, the answer would be five thousand miles. These large sea animals travel at least that far from their winter home off the (16)___________ of Columbia to their summer (17)___________ areas off Antarctica. The distance covered by some types of whale is amazing, especially when you (18) _______ their enormous size. The blue whale is the largest animal that has ever lived and it can weigh as much as thirty elephants. It (19)_________ as no surprise, therefore, to hear that ancient folk legends tell of sailors mistaking these creatures for islands. The more we find out about whales, the more wonderful they seem. Some species can hold their breath for more than an hour and dive to a depth of over 200 metres. They use a system of sounds known as echolocation to find the fish they eat and they have further sounded to keep in (20) _____ The noises they produce can travel hundreds of miles under water. Some species seem to sing complicates songs which consist of a number of separate themes, sung in a specific order which can last up to half an hour or more. If you ever get the chance to see one of these great creatures in the wild, you will understand why they have inspired so many legends.
A.touch
B.reach
C.call
D.range

Because (A) the torrential (B) rains that had devastated (C) the area, the governor sent the National Guard to assist in (D) the clean – up operation.
A.Because
B.torrential
C.had devastated
D.to assist in

Rock music (A) was original (B) a mixture of country music (C) and rhythm and (D) blues.
A.Rock music
B.original
C.country music
D.and

Choose the best answer A, B, C or D to complete the sentences.Illegal hunting in Namibia, Zimbabwe, and Botswana puts African elephants ________ of extinction.
A.in the verge
B.on the verge
C.on brink
D.in brink

Choose the best answer A, B, C or D to complete the sentences.People should be told about the things that threaten the safety of _____ so that they can avoid doing them.
A.the wild
B.wilderness
C.wild life
D.wildlife

Choose the best answer A, B, C or D to complete the sentences.The saola is threatened primarily by hunting, rather than____________.
A.habitual loss
B.loss of life
C.habitation loss
D.habitat loss

Fill in each blank in the passage with the correct word. There are some extra words.
deforestation
preserves
extinction
reserves
conservation
conservative
habitats
species
A.
B.
C.
D.