库房管理员将《专用设备更换单》备案，并按要求将更换信息录入（）。A、综合业务管理系统

阅读下列材料：

人民解放战争是关系中国前途和命运的决战，也是中国新民主主义革命迅速走向胜利的阶段。全面内战爆发，国民党拥有优势兵力和精良装备，又有美国政府的支持。扬言在三五个月内消灭人民解放军，但结果却是人民解放军用了三年时间，彻底打败国民党军队，取得了解放战争在全国的基本胜利。

请回答：

（1）内战爆发的标志是什么？解放战争时期，人民解放军采取的主要作战方针是什么？中共组织了哪四次重大战役？

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（2）人民解放战争经历了哪三个阶段？结合史实从国共双方，说明解放战争迅速取得胜利的主要原因有哪些？由此你认为决定战争胜负的关键是什么？

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（3）人民解放战争的胜利，对中国的发展产生了什么积极作用？给我们什么启示？

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Science Academy study: It has been demonstrated that with natural methods, some well-managed farms are able to reduce the amounts of synthetic fertilizer and pesticide and also of antibiotics they use without necessarily decreasing yields; in some cases yields can be increased.
Critics: Not so. The farms the academy selected to study were the ones that seemed most likely to be successful in using natural methods. What about the farmers who have tried such methods and failed
Which one of the following is the most adequate evaluation of the logical force of the critics’ response

A．Success and failure in farming are rarely due only to luck, because farming is the management of chance occurrences.

B．The critics show that the result of the study would have been different if twice as many farms had been studied.

C．The critics assume without justification that the failures were not due to soil quality.

D．The critics demonstrate that natural methods are not suitable for the majority of farmers.

E．(E) The issue is only to show that something is possible, so it is not relevant whether the instances studied were representative.

氨基酸的运载工具及蛋白质生物合成的适配器是（）。

A.mRNA

B.rRNA

C.tRNA

D.hnRNA

E.snRNA

以下哪项不是固定桥的组成部分

A．固位体

B．小连接体

C．桥体

D．活动连接体

E．固定连接体

化妆品中含大量Bi、Al、Ca时，用原子吸收光谱法测定会干扰测铅的结果，其原因是（）。

A.它们的氧化物吸收铅的共振线

B.它们影响铅的原子化

C.它们原子化时，吸收大量能量，从而影响铅的测定

D.它们的共振线接近铅的共振线

E.它们改变了试样溶液的物理性质