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In the United States many high school shooting, many American schools became equipped with security systems.

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The problem of violence in the classroom is worse in the developed countries.

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Non-violent conflict resolution programs work better with high school children.

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Passage OneQuestions 26 to 28 are based on the conversation you have just heard.

A. To overcome the problem of weak light.
B. To take more photographs.
C. To photograph astronomical objects without using a telescope.
D. To spend less time at their telescopes.

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The board of education should give priority to educational issues.

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