问题
单项选择题
嵌顿性疝与绞窄性疝的区别是
A．疝块有无压痛
B．疝块不能回纳的时间长短
C．疝内容物有无血液循环障碍
D．有无休克表现
E．有无急性肠梗阻的表现
答案
参考答案：C
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嵌顿性疝与绞窄性疝的区别是
A．疝块有无压痛
B．疝块不能回纳的时间长短
C．疝内容物有无血液循环障碍
D．有无休克表现
E．有无急性肠梗阻的表现
参考答案：C
| 用括号内所给动词的适当形式填空。 | |
3__________ near the river, they put their hats on a big stone (石头) and then 4 ___________ to fish. It was windy that day, and suddenly the wind blew their hats away. So they 5 ___________ the dog to 6 ___________ their hats back. When the dog got there, he 7 ___________ to take both hats together in his mouth. Do you know how he 8___________ it? He 9 ___________ that one of the hats was smaller than the other. So he 10 ___________ the smaller hat in the bigger one, and then he could carry them at the same time! 1._______ 2._______ 3._______ 4._______ 5._______ 6._______ 7._______ 8._______ 9._______ 10._______ |