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阴道毛滴虫只能寄生于阴道内。
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Drug Overuse ① Nowadays,millions of people misuse and even overuse pain medications and other drugs. Research by the American National Institute on Drug Abuse （NIDA， 1999） shows that around 2% of the population over age 12 were using drugs non-medically. ② NIDA views medications as a powerful force for good in the contemporary world. They reduce and remove pain for millions of people suffering from illness and disease. They make it possible for doctors to perform complicated surgery to save lives. Many people afflicted by serious medical conditions are able to control their symptoms and become active， contributing citizens. NIDA points out that most individuals who take these drags use them in a responsible. ③ Nevertheless， overuse of drugs such as opioids， central nervous system（CNS） depressants and stimulants does lead to harmful reliance in some people and is therefore becoming a serious public health concern. Although this abuse affects many people worldwide， particular trends of concern to the medical profession in the US appear among older adults， teenagers arid women. ④ Though it may be a surprise to many， the misuse of medications may be the most common form of drug abuse among the elderly. Dr Kenneth Schrader of Duke University， North Carolina states that although the elderly represent about 13% of the US population， those aged 65 and over account for the consumption of one third of all drugs. People in this age group use medications roughly three times more than the general population and have poorer compliance with instruction for use. In another study of elderly patients admitted to treatment programs， 70% were women who had overused medicines. ⑤ Unfortunately， this trend among women does not only affect those aged over. In general， among women and men who are using either an anti-anxiety drug or a sedative， women are twice as likely to become addicted. In addition， statistics compiled for 12 —17 year olds show that teenage girls are more likely than teenage boys to begin overusing psychotherapeutic medication such as painkillers， tranquillizers， stimulants and sedatives. Another study researches some people， of which 70% of women had（）.
一辆汽车行1.2千米用汽油4.8千克，照这样计算，行1千米用汽油（）千克。
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某施工总承包单位承担一项建筑基坑工程的施工，基坑开挖深度12m，基坑南侧距坑边6m处有一栋6层住宅楼。基坑土质状况从地面向下依次为：杂填土0～2m，粉质土2～5m，砂质土5～10m，黏性土10～12m，砂质土12～18m。上层滞水水位在地表以下5m（渗透系数为0.5m/d），地表下18m以内无承压水。基坑支护设计采用灌注桩加锚杆。施工前，建设单位为节约投资，指示更改设计，除南侧外其余三面均采用土钉墙支护，垂直开挖。基坑在开挖过程中北侧支护出现较大变形，但一直未被发现，最终导致北侧支护部分坍塌。事故调查中发现： （1）施工总承包单位对本工程作了重大危险源分析，确认南侧毗邻建筑物、临边防护、上下通道的安全为重大危险源，并制订了相应的措施，但未审批。 （2）施工总承包单位有健全的安全制度文件。 （3）施工过程中无任何安全检查记录、交底记录及培训教育记录等其他记录资料。 根据《建筑施工安全检查标准》（JGJ59—2011）基坑工程检查评分表的要求，本基坑支护工程还应检查哪些项目？