“臭氧(O3)层空洞”是目前全球性环境问题，大气中的臭氧层可吸收紫外线，对地球起

任务型阅读 (每小题1 分，共5 分)

请阅读1--5 题有关人员的相关信息，然后根据他们的需要从A~E中找出与他们匹配的活动。

小题1:Amy has a daughter. She enjoys playing with her.

小题2:Mr. Green feels very tired. She plans to go on her holidays in a quiet place.

小题3:Lily, a 13-year-old girl, likes dancing best. She often dances with her friends.

小题4:Jackson likes doing sports. He is very good at swimming.

小题5:Mrs. Smith’s children have grown up. She wants to sell the old toys.

A．Trip to Flower Hill Village

We leave at 8:00 every Saturday morning. You can enjoy fresh air, country beauty and village food.

B．A Free Dance

This is a party for all students who love dancing. Please bring your Student Card with you June 28, Sunday.

C．Swimming Across the Beijiang River

This activity is held to let people know the importance of health. July 5^th, Sunday.

D．Open Market.People can sell or buy old things at low prices. Every Sunday morning in the City Square.

E. Running Competition for Kids and Parents.

A very good chance for people to enjoy family life with children. June 1^st, Monday, on the playground of Garden Hotel.

能促进水的电离，并使溶液中c(H⁺)>c(OH^－) 的操作是[ ]

①将水加热煮沸

②向水中投入一小块金属钠

③向水中通CO₂

④向水中通NH₃

⑤向水中加入明矾晶体

⑥向水中加入NaHCO₃固体

⑦向水中加NaHSO₄固体

A ．①③⑥⑦

B ．①③⑤⑥

C ．⑤⑦

D ．⑤

如图所示，两支相同的温度计，其中包有湿棉球的示数较低，原因是

A．水蒸发放热    

B．水蒸发吸热  

C．水凝固放热    

D．水凝固吸热

房地产开发企业缴纳所得税之后的利润为税后利润，它等于可供分配的利润，一般按照（）顺序分配。

A、弥补企业以前年度的亏损、提取法定盈余公积金和公益金、向投资者分配利润

B、弥补企业以前年度的亏损、向投资者分配利润、提取法定盈余公积金

C、提取法定盈余公积金、弥补企业以前年度的亏损、向投资者分配利润

D、提取法定盈余公积金、向投资者分配利润、弥补企业以前年度的亏损

现代咨询对研究过程，强调保持（）、不受外力的干扰和左右。

A.民主性

B.规范性

C.独立自主性

D.科学性