妊娠合并风湿性心脏病，早期心力衰竭的最可靠诊断依据A．心界扩

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问题单项选择题

妊娠合并风湿性心脏病，早期心力衰竭的最可靠诊断依据

A．心界扩大
B．心尖部闻及Ⅱ级收缩期杂音
C．肺底部持续性湿啰音
D．休息时心率大于每分钟110次
E．踝部凹陷性水肿

答案

参考答案：D

补全对话，情景问答

选择正确的选项完成对话。

A What are you going to do this year?

B Linda, what are you going to be when you grow up?

C That sounds great

D What kind of job do you want?

E Why are you going to get a part time job?

Peter: 1._______

Linda: I'm going to be a teacher when I grow up.

Peter: 2._______

Linda: I'm going to work harder in school this year. And I'm going to get a part-

time job.

Peter: 3._______

Linda: I want to put some money in the bank. I'll need money for college.

Peter: 4._______

Linda: I want to work with computer.

Peter: 5._______

单项选择题

标定氢氧化钠溶液的常用基准物质是（）。

A、盐酸

B、硫酸

C、硝酸

D、邻苯二甲酸氢钾