What is the response of many educators towards the external rewards for their students（）
A. They have no doubts about them.
B. They hold different views about them.
C. They approve of them.
D. They avoid talking about them.
查看答案
Major universities are trying to tighten their grading standards because they think（）
A. high grading standards will improve students’ academic performance.
B. generous and easy grading standard sparks creativity.
C. rewarding poor performance may kill the creativity of students.
D. punishment is more effective than rewarding.
Which of the following is not mentioned as strategic objectives（）
A. Keeping Americans and U. S. partners from the violence of criminal networks.
Breaking the economic power of transnational criminal networks.
C. Helping partner countries strengthen governance to break the power of criminal networks.
D. Mobilizing international resources to combat transnational organized crime.
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.
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.
微信支付 
支付宝支付