患儿，男，4岁，因反复喘息2年，加重2天入院。此次着凉后出现频繁咳嗽、喘息，伴气憋及

如图所示，电工师傅常用的测电笔的外壳是用不导电的绝缘材料制成的，而测电笔的笔尖是用金属材料制成的，这是利用了金属材料的 (    )

A．耐高温性　　　

B．导电性

C．硬度高

D．延展性

DS6-K5B联锁系统管理程序板存储在（）中。

血清白蛋白测定方法为（）

A.双缩脲法

B.溴甲酚绿法

C.连续检测法

D.免疫比浊法

E.琼脂糖电泳法

A company, Chauncy Co., has an annual travel budget of $55,000. The accounting department estimates that transportation expenses Will increase 5 percent in the coming year, and nontransportation travel expenses will increase by 15 percent in the coming year. Last year, Chauncy Co. spent $19,500 on transportation-related expenses, and $35,000 on nontransportation travel expenses. If the annual travel budget does not increase this year, and if the accounting department’s estimates are correct, how far over the annual travel budget will expenses be this year ？（）

A. Expenses will not go over the budget.

B. $5O0

C. $4,225

D. $5,725

E. $60,725

当股票的发行价格高于其面值时称为（）。

A.平价发行

B.溢价发行

C.折价发行

D.面额发行