[单选题]必需脂肪酸的最好来源是( )
A乳类
B植物油类
C肉类
D深海鱼类
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1.
下列哪一项不是家庭必备的清洁用品( )。
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2.
有关非物质文化遗产在旅游业中的应用,正确的观点有:
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3.
"Congratulations, Mr. Jones, it's a girl."Fatherhood is going to have a different meaning and bring forth a different response from every man who hears these words. Some feel pride when they receive the news, while others worry, wondering whether they will be good fathers. Although there are some men who like children and may have had considerable experience with them, others do not particularly care for children and spend little time with them. Many fathers and mothers have been planning and looking forward to children for some time. For other couples pregnancy (怀孕) was an accident that both husband and wife have accepted willingly or unwillingly.Whatever the reaction to the birth of a child, it is obvious that the shift from the role of husband to that of father is a difficult task. Yet, unfortunately, few attempts have been made to educate fathers in this resocialization process. Although numerous books have been written about American mothers, only recently has literature focused on the role of a father.It is argued by some writers that the transition to the father's role, although difficult, is not nearly as great as transition the wife must made to the mother's role. The mother's role seems to require a complete transformation in daily routine and highly innovative (创新) adaptation, on the other hand, the father's role is less demanding and immediate. However, even though we mentioned the fact that growing numbers of women are working outside the home, the father is still thought by many as the breadwinner in the household. According to the author, being a father ______.
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4.
物业管理的经费是搞好物业管理的物质基础,管理企业所收的费用要让业主和使用人感到()。
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5.
流量指标( )不佳的原因通常为以下情况:在线人数少和在线人数不稳定。