下列选项不是缓凝剂的代号是（）A、PA B、AC C、AEWR D、RE

阅读下面短文，把A—D四个句子填入文中空缺处，使短文内容完整、正确、然后完成最后小题。

3Dprinters have been around us for some time. There is a lot you can do and image with a 3D printer. ____小题1:____

A company in China has recently used 3D printers to make ten full-sized housed in just 24 hours. ____小题2:____. These houses are printed wth special “ink ”that has been made from industrial construction waste. The using of cheap materials makes it possible to print each house under ＄500小题3:The CEO of the company says , “____小题4:____ ”He plans to set up 100 recycling factories across China and changing waste into cost-effective  “ink ”for 3D printers. ____小题5:____However ,at present ,multi-storeys 3D-printed building are not allowed in China. So,it’s important that the 3D printing technology will be widely used to build any time soon. Maybe there be still a long way  to go.

小题6:According to the passage ,which of the following is TURE?

A．Each of the printed housed costs at least 5000dollars .

B．There’s no limit in China to print tall building with 3Dprinters .

C．The 10full-sized houses are printed out of recycled materials.

D．3D printers will soon caome into commom use to build houses .

甲氧氯普胺治疗呕吐和促胃肠运动的机制是（）。

A.抑制胃壁细胞H⁺泵

B.阻断H₂受体

C.阻断CTZ的D₂受体

D.抗幽门螺旋杆菌

E.选择性阻断外周多巴胺受体

66．绿色公关是指企业以生态与经济可持续发展观念影响公关，选择具有“绿色”特征的媒体开展传播活动，以“绿色”为特色塑造企业形象，赢得公众的信任与支持，给企业带来更多便利和竞争优势的一系列公关活动。根据上述定义，下列属于绿色公关的是（ ）

A．某软件公司推出一款绿色软件，无需安装即可使用，移除后也不会有任残留记录留在电脑里，受到了很多用户的欢迎

B．某快餐企业推出了“种植一棵树”的宣传活动，并倡导减少包装以节约资源，创造了良好的经营环境和社会氛围

C．某小区居委会按照当地政府的要求进行垃圾分类宣传，在小区举办垃圾分类知识竞赛，现场发放不同颜色的垃圾袋供居民使用，受到大家的欢迎

D．人民网举办了以“发展低碳经济引领绿色潮流”为主题的“2010首届低碳中国年度创新论坛”，揭晓了2010年低碳中国领军人物，领军品牌，十大创新技术产品等十多个奖项

劳宫

根据法律有关规定，当事人造成环境污染危害的，有责任排除危害，并对直接受到损害的单位或者个人赔偿损失。