【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 suce 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】80÷40=______ 83÷40≈______ 80÷38≈______ 90÷30=______ 90÷29≈______ 92÷30≈______.
【单选题】The small-loan industry is able to avoid law prohibitions because ______.
A.
The excessive interest is made by the roll-over of borrowers.
B.
Lenders vow that small loans can only survive without interest limitations.
C.
It may provide help to military officials and their family.
D.
Most borrowers can pay back their money timely
【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)
【简答题】law of small pores(小孔律)
【单选题】下列有关溶液的叙述正确的是( )
B.
一定温度时,将30%的KNO 3 溶液倒出一半,剩余溶液的溶质质量分数也减少一半
C.
用NaCl固体配制一定质量分数的氯化钠溶液,只需使用的仪器是:天平、药匙、烧杯
D.
由图可知:Ca(OH) 2 的溶解度随温度升高而减小
【简答题】根据下列题干及选项,回答 83~85 题: 第 83 题 女,25岁,一个月来腰酸伴酱油色尿。体检:贫血面容,肝、脾不肿大,红细胞 2.5×1012/L,血红蛋白65g/L,白细胞4×109/L,血小板120×109/L,网织红细胞计数0.12, Ham试验阳性,Rous试验阳性( )
【单选题】高血压病流行病学调查结果表明,高血压病患病率最高的年龄组是: