在2007年5月14日“励志青春——全国大学生先进事迹报告会”上，有6名大学生讲

将足量NO₂通入下列各溶液中，所含离子还能大量共存的是(    )

A．Fe²⁺、CH₃COO^-、Na⁺、SO₄^2-

B．K⁺、Ca²⁺、HCO₃^-、Cl^-

C．Al³⁺、NH₄⁺、Cl^-、NO₃^-

D．K⁺、Na⁺、SiO₃^2-、AlO₂^-

完成句子：用所给单词正确形式或汉语提示完成下列句子（9分）

小题1:Thomas Adison is one of                       scientists in the world. (succeed)

小题2:He said he would try his best to do what he could         (help) the homeless children.

小题3:Everyone says Mr Green is a               teacher. It seems that he knows everything. (knowledge)

小题4:I’m going to get my bike               (repair) tomorrow.

小题5:Amy was very happy because she was invited to Tom’s            (twelve) birthday party.

小题6:Could you please answer my e-mail                           ?(尽可能快地)

小题7:In the USA, some people ask their families and friends to give money to Charity             buy them gifts. (而不是)

小题8:Look at the sign. Smoking                    here. (不准)

小题9:Why not                     the Great Wall next time?（考虑游玩）

I tried my best, but I couldn’t _____ the driving tests.

A．get through

B．get off

C．get up

D．get away

管理部门的划分要根据( )与工作内容确定，形成既有相互分工又有相互配合的组织机构。

A．组织目标
B．工作总量
C．管理职能
D．管理层次

多数公司的实际清算价值总是高于账面价值。( )