调查组应将调查报告的主要内容向被调查人所在单位（）通报，并征求意见。
A.党组织
B.纪委
C.纪委书记
D.党委书记
参考答案：A
向一铝制易拉罐中充满CO2后，再往罐中注入足量的质量分数为20%的NaOH溶液立即严封罐口，不一会儿就发现易拉罐变瘪，再过一会易拉罐又鼓胀起来，解释上述实验现象．
（1）易拉罐开始变瘪的原因是：______；反应的化学方程式为：______．
（2）易拉罐又鼓胀起来的原因是：______；其反应的离子方程式为：______．
What is said about the research paper
A．The paper came out as short as I expected.
B．Actually the paper was long enough to cover it.
C．The paper was short enough to present.
D．The paper turned out better than I had expected.
