在对测定挥发酚样品的保存时，加入硫酸铜是为了控制苯酚分解菌的作用。

首字母填空

China’s Project Hope has s   1  nearly 3 million poor students since it was set up 19 years ago. Until today, the project has raised more than 2.5 billion yuan of d   2  from many people. The money has b   3  used in building about ten t   4  Project Hope primary schools. Over 3 million children can go to these schools. Project Hope knows that these children won’t have a bright f   5  if they get no education. 80% of the primary schools and students helped by the project are in China’s middle and w    6  areas which are less developed.

Project Hope has helped build learning centres, libraries and training centres. It also helps t    7  school teachers from rural(乡村的) areas.

Project Hope has been the largest and most influential(有影响力的) welfare(福利) project of China. Though it has done lots of charities for them ,but there are still many millions of students who are too p    8  to have education .More action should be t   9  to help them . Project Hope needs more people’s help and we can support its work by s    10  donations .

（）是指由环境变化造成的对企业营销活动富有吸引力和利益空间的领域。

A.机会空间

B.竞争优势

C.市场机会

D.市场空间

嗜酸性粒细胞不升高的疾病是（）。

A.支气管哮喘

B.过敏性肺炎

C.伤寒

D.热带嗜酸性粒细胞增多症

E.血吸虫病

持证作业人员逾期不申请复审或者复审不合格且不参加考试的，3年内不得再次申请《特种设备作业人员证》。（）

A、正确

B、错误

水厂与取水构筑物建在一起的优点是（）

A.可集中管理，节省水厂自用水的输水费用

B.水厂至用水区的管道口径要增大

C.增加了输水管道的造价

D.对于浊度较低的水源更经济