43. According to Beverage Marketing, people can reduce the calories they take in by ——————
A. having a well-balanced diet
B. doing more physical exercise
C. giving up drinking soft drinks
D. developing a good living habit
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44.The focus of the health awareness campaigns is to educate consumers about——————
A. the harm of drinking polluted water
B. the importance of creating new brands
C. the advantages of imposing taxes on soft drinks
D. the risks of drinking too much sugary beverages
大部分血液进入心室是在
A. 快速充盈期
B. 减慢充盈期
C. 心房收缩期
D. 快速射血期
动脉瓣关闭到下一次动脉瓣开放的时间相当于一下哪一期10
A. 心室舒张期
B. 心室射血期
C. 心室舒张期+等容收缩期
D. 等容收缩期+快速射血期
室内压最高的时期是
A. 快速射血期末
B. 减慢射血期末
C. 等容收缩期末
D. 快速充盈期末
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