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问题 多项选择题

Andorid操作系统与MOBILE操作系统相比较正确描述有（）。

A.界面更简洁

B.操作更方便

C.运行速度更快

D.内存管理更优秀

答案

参考答案：A, B, C, D

多项选择题

以下为易致心律紊乱，心博骤停的药物是

A．普鲁卡因

B．奎宁丁

C．黄连素针

D．异丙肾上腺素

E．穿心莲
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依据史实，回答下列问题。  

（1）今年是（2009年）五四运动爆发多少周年？五四运动的口号是什么？

                                                                                                                                                             

                                                                                                                                                             

（2）五四运动有什么重大历史意义？

                                                                                                                                                             

                                                                                                                                                             

（3）在下列地图上标出相关史实。   

                                                                                                                                                             

（4）从五四运动取得初步胜利中，我们可以得到什么启示？

                                                                                                                                                             

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