A finding in recent years shows that men cannot manufacture blood as efficiently as women can. This makes surgery riskier for men. Because they do not breathe as often as women, men also need more oxygen. But men breathe more deeply and this exposes them to another risk. They draw more of the air when it is polluted.
Men’s bones are larger than women’s and they are arranged somewhat differently. The feminine walk that evokes so many whistles is a matter of bone structure. Men have broader shoulders and a narrower pelvis, which makes them to stride out with no waste motion. A woman’s wider pelvis, designed for childbearing, forces her to put more movement into each step she takes with the result that she displays a bit of a jiggle and sway as she walks.
If you think a man is brave because he can climb a ladder to clean out the roof gutters, don’t forget it is easier for him than for a woman. The angle at which a woman’s thigh is jo
A. the male have larger bones than the female.
B. women can manufacture blood more efficiently than men.
C. men usually breathe more deeply than women.
D. women breathe as often as men.
| 1. AIDS is the final,
life-threatening stage of infection with human immuno-deficiency virus(HIV).
AIDS stands for acquired immuno-deficiency syndrome. The name refers to the fact
that HIV severely damages the patient’s disease-fighting immune system. Cases of
AIDS were first identified in 1981 in the United States, but researchers have
traced cases to as early as 1969. Millions of AIDS cases have been diagnosed
worldwide. 2. AIDS is caused by two viruses that belong to a group called retroviruses. The first AIDS virus was isolated by researchers in France in 1983 and researchers in the United States in 1984. This virus became known as HIV-1. in 1985, scientists in France identified another closely related virus that also produces AIDS. This virus, named HIV-2, occurs mainly in Africa. HIV-1 occurs throughout the world. 3. [判断题]对安装在一、二级负荷场所的低压电器应进行电压线圈动作值校验和采用的脱扣器的整定（ ）。
A.正确 B.错误 [判断题] 普速铁路间接带电作业,几个作业组同时作业时,要同时向供电调度申请间接带电作业命令。( )(《普速铁路接触网安全工作规则》第7.90条)
A.正确 B.错误 [单选题]制作法兰垫片时,要用直尺在备用同型号阀门(法兰)上测量()的内外直径。
A.密封面 B.法兰垫片 C.法兰 D.压盖 [单选题]以下关于计算机操作系统类型说法错误的是（ ）。
A.网络操作系统和分布式操作系统都可以配置到计算机网络上 B.实时操作系统是实现实时控制的系统，它由外部信号触发而工作 C.基本操作系统包括批处理系统、分时系统、实时系统 D.按照配置操作系统的计算机规模大小，可以将操作系统分类为批处理系统、分时系统、实时系统、网络系统和分布式系统 [多选题]磨床的日常磨削对象哪些（ ）
A.刀片 B.定距套 C.胶辊 [单选题]扑救防可燃粉尘爆炸中 严禁使用( )扑救粉尘沉积场所的火灾,防止水流冲击引起飞扬,导致爆炸。
A.细水雾 、 B.泡沫 、 C.直流水 、 D.灭火器 [单选题]海事人员职业道德的基本要求是(),乐于奉献。
A.爱国守法 B.廉洁奉公 C.敬业勤政 [单选题]5.13. 第13题
同一电压等级、同类型、相同安全措施且依次进行的（ ）上的不停电工作，可使用一张配电第二种工作票。 A.不同配电线路或不同工作地点 B.不同配电线路 C.不同工作地点 D.相邻配电线路 [单选题]344． 采用中介托管方式进行二手房交易结算资金托管的， 在（ ） 条件下，受托行可划转托管资金到卖方账户。
A.卖方填写申请书， 请求受托行划转资金 B.中介填写申请书， 请求受托行划转资金 C.卖方与中介共同填写申请书， 请求受托行划转资金 D.买方与中介共同填写申请书， 请求受托行划转资金 [单选题]以下哪两种保险筹资渠道相同
A.城镇居民基本医疗保 险和新型农村合作医 疗 B.城镇职工基本医疗保 险和新型农村合作医 疗 C.城镇职工基本医疗保 险和城镇居民基本医 疗保险 D.城镇职工基本医疗保 险和商业补充医疗保 险 [单选题]ZPW-2000A型无绝缘轨道电路，当长度超过( )时，主轨道需要加装补偿电容进行补偿。
A.200m B.300m C.400m D.500m 我来回答: 提交
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