Lucy said that she would pay a visit to Beijing in July, ______ ,I think , is a good chance for her to know China.

A．which

B．it

C．when

D．where

2岁儿童，头、躯体烧伤，总面积36%，伤后2小时来院就诊。查体：心率140次／分，体温38℃，血压80/50mmHg，尿少，经输入5%葡萄糖溶液500ml，患儿心率高达180次／分，出现惊厥。

此时应做哪些检查（）

A.测尿量、尿比重，查眼底

B.抽血细菌培养

C.心电图

D.胸透

E.创面活检