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18. Disease-spreading pests respond more quickly to pesticides than agricultural pests do.

A. YES
B. NO
C. NOT GIVEN

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17. By the mid-1960s, cotton farmers in Central America found that pesticides

A were wiping out 50% of the pests plaguing the crops.
B were destroying 50% of the crops they were meant to protect.
C were causing a 50% increase in the number of new pests reported.
D were costing 50% of the total amountthey spent on their crops.

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9. Teachers mark homework in Japanese schools.

A. YES
B. NO
C. NOT GIVEN

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8. Private schools in Japan are more modern and spacious than state-run lower secondary schools.

A. YES
B. NO
C. NOT GIVEN

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7. The percentage of Gross National Product spent on education generally reflects the level of attainment in mathematics.

A. YES
B. NO
C. NOT GIVEN

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18. Disease-spreading pests respond more quickly to pesticides than agricultural pests do.

A. YES B. NO C. NOT GIVEN

17. By the mid-1960s, cotton farmers in Central America found that pesticides

9. Teachers mark homework in Japanese schools.

8. Private schools in Japan are more modern and spacious than state-run lower secondary schools.

7. The percentage of Gross National Product spent on education generally reflects the level of attainment in mathematics.

A. YES
B. NO
C. NOT GIVEN