One of the features of REM sleep is that______.
A. there are large slow waves, though rapid for the first few minutes
B. you have the deepest sleep
C. there are no brain waves
D. the brain waves are a little fast and the brain becomes a little active
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Where is Ybor City located
A. South Florida.
B. Cuba.
C. West Florida.
D. In the Florida countryside.
The main massage of the pamphlet is to ______.
A. provide car owners with car theft statistics
B. give details about costs in crime prevention
C. portray the profile of certain car thieves
D. raise car owners' awareness against car theft
When the writer recalls the things that happened between him and his friends, he ______.
A. feels happy, thinking of how nice his friends were to him
B. feels he may not have "read" his friends' true feelings correctly
C. thinks it was a mistake to view Jim as a friend
D. is sorry that his friends let him down
某市一所小学，学校饮水加氟3年的防龋效果不太理想。经分析研究后技术小组提出改进计划，专家组审议认为应删除下面一条后计划可行
A. 加强口腔健康教育
B. 增加饮用氟化牛奶措施
C. 提倡含氟牙膏
D. 注意合理营养
E. 每半年应用一次含氟泡沫
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