According to Frank,why do kids get violent?/imgcache/attached/media/20140228/20140228171540_8224.mp3
A. Because the media teach them.
Because the sch001iS like a jail.
C. Because the education system has problems.
D. Because the environment makes them S0.
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钳刮术的妊娠周数为()
A. 9~14周
B. 9~16周
C. 11~16周
D. 11~14周
E. 10~12周
气管套囊的压力不能超过()
A. 18mmHg
B. 25mmHg
C. 30mmHg
D. 32mmHg
E. 40mmHg
新生儿病室的适宜温度是()
A. 16~18℃
B. 18~20℃
C. 20~22℃
D. 22~24℃
E. 24~26℃