问题
单项选择题
下列哪项不是房性早搏的心电图特征（）
A.心律不规则
B.早搏（P’）提前出现，P’-R间期通常大于0.12秒
C.P’形态与窦性P波相同
D.不完全性代偿间歇
E.有时QRS波增宽变形
答案
参考答案：C
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下列哪项不是房性早搏的心电图特征（）
A.心律不规则
B.早搏（P’）提前出现，P’-R间期通常大于0.12秒
C.P’形态与窦性P波相同
D.不完全性代偿间歇
E.有时QRS波增宽变形
参考答案：C
| 阅读理解。 | |||||||||||||||||||||||
(1) The looks are for Tom's family.
CCTV-4
| |||||||||||||||||||||||
| 1. Tom's mother is _____ and heavy with _____ hair. | |||||||||||||||||||||||
| A. tall, curly B. short, black C. short, long | |||||||||||||||||||||||
| 2. Beijing is _____ but Nanchong is raining. | |||||||||||||||||||||||
| A. sunny to cloudy B. cloudy to sunny C. sunny | |||||||||||||||||||||||
| 3. We can watch the sitcom at _____ on CCTV-4. | |||||||||||||||||||||||
| A. 4:50 p.m. B. 7:30 a.m. C. 3:30 p.m. D. 6:20 p.m. | |||||||||||||||||||||||
| 4. The highest temperature (最高温度) is _____ and it is sunny to cloudy. | |||||||||||||||||||||||
| A. Nanchong B. Shenzhen C. Xiamen | |||||||||||||||||||||||
| 5. Which of the following sentences is right? | |||||||||||||||||||||||
| A. Tom's father is a cook. He learns Chinese cooking on TV at 15:30. B. Tom's sister looks my mother and she likes watching soap operas. C. If Tom's mother goes to Harbin, she has to wear very warm clothes. |