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【单选题】
构成各种生物体的细胞种类繁多,结构与功能各异,除极少数特化的细胞外,它们都具有基本共性。下列关于细胞共性的叙述中,不正确的是( )A.
以磷脂为重要成分的细胞膜
B.
细胞质
C.
真核细胞一般都有细胞核
D.
真核细胞和原核细胞都有染色体
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【单选题】患者男,28岁。消化性溃疡患者,给予胶体次枸橼酸铋+克拉霉素+呋喃西林三联治疗期问出现黑便,担心病情加重。行大便隐血试验,报告呈阴性。此时护士解释其黑便原因是
A.
呋喃西林不良反应
B.
胶体次枸橼酸铋不良反应
C.
克拉霉素不良反应
D.
溃疡出血
E.
溃疡癌变
【简答题】A company records an asset retirement obligation (ARO) because of environmental damage. Which of the following will most likelyresult from the recording an ARO in any given year? A. An increase in ret...
【简答题】r 3 ______ 0.4 ______ 3.5 ______ d ______ 5 ______ 12 ______ 4.2
【简答题】The data received from the two _____ whirling around Mars ____ that there is much evidence that huge thunderstorms are occurring about the equator of the planet. A. aircraft indicates B. aircraft ...
【单选题】下列有关实施幼儿美育应注意事项的描述中,正确的观点是()
A.
幼儿园美育只是面相特长
B.
幼儿园美育是面向全体幼儿的
C.
幼儿园美育与幼儿想象力培养无关
D.
幼儿园美育与社会生活
【单选题】There is much ______ can be done about the accidents ______ from carelessness.
A.
which arose
B.
that arising
C.
which arisen
D.
that arise
【单选题】If roundworms are removed from the soil and placed in a liquid, they thrash helplessly around.
A.
carelessly
B.
tirelessly
C.
powerlessly
D.
heartlessly
【简答题】Cycling is the fastest, cheapest, most healthy and environmentally friendly way to get around London, and____________.(越来越多的伦敦人开始尝试骑自行车).
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