Where was the result of the study first made public?
At a conference.
B. In a newspaper.
C. On television.
D. In a journal.
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Why do people dream?
A. People dream so as to sleep better.
B. People dream in order not to go to REM sleep.
C. Because they may forget difficult problems in their dreams.
D. Because in their dreams they may find answers to their problems.
我国信息安全法律体系框架分为法律,行政法规,地方性法规和规章,以及规范性文件等四个层面。()
What has recent research found about drinking?
Alcohol helps develop people"s intelligence.
B. Heavy drinking is not necessarily harmful to one"s health.
Controlled drinking helps people keep their wits as they age.
Drinking, even moderately, may harm one"s health.
坎昆会议的成果有()。
A在分歧较小的问题上达成平衡的一揽子协议
B继承了《公约》、《京都议定书》和“巴厘路线图”坚持的“共同但有区别的责任”原则,确保了2011年的谈判继续按照“巴厘路线图”确定的双轨方式进行
C使《哥本哈根协议》具有法律效力
D在分歧较大的问题上缩小分歧
E为2011年南非气候变化会议奠定良好基础