政府与企业之间的财务关系体现为一种管理和被管理的分配关系。
男，生后5天，开始吸奶时口张不大，后发生痉挛，痉挛缓解后神志清醒。应采用何种特殊治疗（） ["使用镇静剂医","吸氧","使用抗毒素","清洗脐部残端","支持疗法"]
一般旅游安全事故是指一次事故造成旅游者重伤，或经济损失在（）者。 ["1万元以下","1万元至10万（含1万）元","10万元至100万元（含10万）","100万元以上"]
Today ,as in every other day of the year ,more than 3000 U.S. adlescents will smoke their first cigarette on their way to becoming regular smokers as adults. During their lifetime,it can be expected that of these 3000 about 23 will be murdered,30 will die in traffic accidents, and nearly 750 will be killed by a smoking-related disease. The number of deaths attributed to cigarette smoking outweithts all other factors, whether voluntary or involuntary, as a cause of death.
Since the late 1970s, when daily smoking among high school seniors reached 30 precent , smoking rates among youth have declined . While the decline is impressive ,several important issues must be raised.
First, in the past several years,smoking rates among youth have declined very little. Second,in the late 1970s ,smoking among male high school seniors exceeded that among female by nearly 10 percent . The statistic is reversing.Third ,several recent studies have indicate high school dropouts have excessively high smoking rates, as much as 75 percent .
Finally, thouth significant declines in adolescent smoking have occurred in the past decade,no definite reasons for the decline exist. Within this context,the Naional Cancer Instiute (NCI) began its current effort to determine the most effecive measures to reduce smoking levesl among youth.
According to the author, the deaths among youth are mainly caused by （）. ["traffic accidents","smoking-related desease","murder","all of these"]
简答容积泵的种类。
气体输送设备有离心风机，鼓风机，（）及真空泵等。
