男性，70岁，慢性肾衰竭，心悸2天，查心电图发现T波高尖，QT间期延长。

根据上述表现应做何种检查（）

A.血气分析

B.超声心动图

C.化验心肌酶

D.血电解质

E.肝功能检查

情景交际。根据对话内容，选择方框内的句子完成对话。有两项多余。（5分）

A: Jane, do you have a pen pal?

B: Yes, I do. She is a girl.

A:     小题1:   

B: Her name is Maria.

A:     小题2:  

B: She comes from the U.S.A.

A: Does she have long blond hair?

B:     小题3:     And she has big eyes and a small nose.

A:     小题4:   

B: Yes, she is.

A: Are her parents（父母）in China, too?

B: No, they aren’t.

A: Where are they?

B:     小题5:  

A: Oh, I see. Thank you.