问题
单项选择题
左心衰竭的重要体征是
A．交替脉
B．奇脉
C．脉搏短绌
D．水冲脉
E．缓脉
答案
参考答案：A
解析：交替脉是脉搏一强一弱交替出现但节律正常，这是由于心室收缩力强弱不均所致，交替脉是左心衰竭的重要体征。
搜题请搜索小程序“爱下问搜题”
左心衰竭的重要体征是
A．交替脉
B．奇脉
C．脉搏短绌
D．水冲脉
E．缓脉
参考答案：A
解析：交替脉是脉搏一强一弱交替出现但节律正常，这是由于心室收缩力强弱不均所致，交替脉是左心衰竭的重要体征。
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| My pen friend is a kind and friendly girl. She is in England. Her __1__ is Connie. I meet Connie __2__ the Internet, and we are both twelve years __3__ . First, I __4__ a letter to her and introduce my hobbies, my school and my daily life. A few days later, I receive Connie's __5__ . She __6__ me a lot about herself. I learn that she loves languages, sports and movies. She likes China and Chinese food very much. She tells me something about England, too. Connie is good at English, French (法语)and Spanish (西班牙语), so I ask her to __7__ me a little of them. Connie wants to learn some __8__ , but it's very difficult for her. Through Connie, I know __9__ about the world outside. I would like to __10__ Connie some day in England. | |||
| ( ) 1. A. hobby ( ) 2. A. on ( ) 3. A. young ( ) 4. A. read ( ) 5. A. book ( ) 6. A. asks ( ) 7. A. teach ( ) 8. A. English ( ) 9. A. more ( ) 10. A. call | B. name B. for B. big B. sing B. letter B. says B. help B. French B. less B. write | C. age C. at C. small C. write C. call C. talks C. give C. Chinese C. few C. visit | D. job D. in D. old D. draw D. photo D. tells D. answer D. Spanish D. little D. help |