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Word root：-sci- Other examples： ( ) Basic meaning： ( ) (forget / know)
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举一反三
【单选题】Which information goes in (D)?
A.
Bats are a source of SARS.
B.
Only 1 percent of plants have been tested as possible drugs.
C.
Rain forests cover 6 percent of the earth and provide 20 percent of the oxygen.
D.
prevent the spread of diseases, protect possible sources of medicine, and conserve the planet's oxygen
【单选题】Which information goes in (A)?
A.
Bats are a source of SARS.
B.
Only 1 percent of plants have been tested as possible drugs.
C.
Rain forests are the "lungs" of the planet, helping to keep our air healthy.
D.
Rain forests cover 6 percent of the earth and provide 20 percent of the oxygen.
【单选题】Which information goes in (B)?
A.
Rain forests are the "lungs" of the planet, helping to keep our air healthy.
B.
Rain forests cover 6 percent of the earth and provide 20 percent of the oxygen.
C.
Only 1 percent of plants have been tested as possible drugs.
D.
Concluding ideas
【单选题】Which information goes in (E)?
A.
Only 1 percent of plants have been tested as possible drugs.
B.
prevent the spread of diseases, protect possible sources of medicine, and conserve the planet's oxygen
C.
Rain forests are the "lungs" of the planet, helping to keep our air healthy.
D.
Concluding ideas
【单选题】Which information goes in (F)?
A.
Rain forests cover 6 percent of the earth and provide 20 percent of the oxygen.
B.
Bats are a source of SARS.
C.
prevent the spread of diseases, protect possible sources of medicine, and conserve the planet's oxygen
D.
Concluding ideas
【单选题】(A) Because people have destroyed animal habitats, they are now exposed to more diseases. (B) ___________ animal habitats, people are now exposed to more diseases.
A.
Destroyed
B.
Having destroyed
C.
Because destroying
【单选题】(A) Since people are able to travel very easily, they can spread diseases quickly. (B) _________ to travel very easily, people can spread diseases quickly.
A.
Since we are able
B.
Are able
C.
Being able
相关题目：
【单选题】Which information goes in (D)?
A.
Bats are a source of SARS.
B.
Only 1 percent of plants have been tested as possible drugs.
C.
Rain forests cover 6 percent of the earth and provide 20 percent of the oxygen.
D.
prevent the spread of diseases, protect possible sources of medicine, and conserve the planet's oxygen
【单选题】Which information goes in (A)?
A.
Bats are a source of SARS.
B.
Only 1 percent of plants have been tested as possible drugs.
C.
Rain forests are the "lungs" of the planet, helping to keep our air healthy.
D.
Rain forests cover 6 percent of the earth and provide 20 percent of the oxygen.
【单选题】Which information goes in (B)?
A.
Rain forests are the "lungs" of the planet, helping to keep our air healthy.
B.
Rain forests cover 6 percent of the earth and provide 20 percent of the oxygen.
C.
Only 1 percent of plants have been tested as possible drugs.
D.
Concluding ideas
【单选题】Which information goes in (E)?
A.
Only 1 percent of plants have been tested as possible drugs.
B.
prevent the spread of diseases, protect possible sources of medicine, and conserve the planet's oxygen
C.
Rain forests are the "lungs" of the planet, helping to keep our air healthy.
D.
Concluding ideas
【单选题】Which information goes in (F)?
A.
Rain forests cover 6 percent of the earth and provide 20 percent of the oxygen.
B.
Bats are a source of SARS.
C.
prevent the spread of diseases, protect possible sources of medicine, and conserve the planet's oxygen
D.
Concluding ideas
【单选题】(A) Because people have destroyed animal habitats, they are now exposed to more diseases. (B) ___________ animal habitats, people are now exposed to more diseases.
A.
Destroyed
B.
Having destroyed
C.
Because destroying
【单选题】(A) Since people are able to travel very easily, they can spread diseases quickly. (B) _________ to travel very easily, people can spread diseases quickly.
A.
Since we are able
B.
Are able
C.
Being able
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