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尽管地方性组织在同艾滋病作斗争方面做了很大的努力,农村地区的艾滋病患者人数还在增长。(despite)
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皮皮学刷刷变学霸
举一反三
【简答题】small pore diffusion law
【单选题】According to the Laplace Law, if large and small alveoli are connected to each other, and their surface tension is equal, then ( )
A.
there’s high pressure in small alveolus, low pressure in large alveolus
B.
there’s low pressure in small alveolus, high pressure in large alveolus
C.
the pressure in large and small alveoli is equal
D.
during inspiration, gas mainly enters small alveolus
E.
during expiration, gas mainly comes from large alveolus
【简答题】工程上常常从__________、 、 三个方面来评价自动控制系统的总体精度。
【简答题】80÷40=______ 83÷40≈______ 80÷38≈______ 90÷30=______ 90÷29≈______ 92÷30≈______．
【判断题】You are not legally required to leave a tip, however you're being very unfair to your server if you do not so . (法律没有要求必须给小费,但是不给的行为会被服务生看来不公平)
A.
正确
B.
错误
【简答题】law of small pores(小孔律)
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