What is the main idea of the passage（）
A. Food and our health.
B. Food and additives.
C. Food and cancer.
D. Food and culture.
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Most of the injuries were caused by（）
A. the meteor sonic boom.
B. atmospheric impact of a small asteroid.
C. an asteroid zooming close by the Earth.
D. flying glass.
Which of the following was not discussed in the Seventh Transportation Ministerial Meeting（）
A. Promoting innovative, environmentally sustainable transportation.
B. Removing barriers to trade and investment.
C. Enhancing the regulation on the APEC economies.
D. Strengthening regional integration.
Which statement is NOT true about her paying for college（）
A. She is currently repaying student loans.
B. She has worked to earn college tuition.
C. She received a scholarship.
D. She received some financial aid.
Which of the following can best raise students’ creativity according to Robert Eisenberger（）
Assigning them tasks which are not very challenging.
B. Assigning them tasks which require inventiveness.
C. Giving them rewards they really deserve.
D. Giving them rewards they anticipate.
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