问题
单项选择题
采用不通过血脑屏障显像剂的脑静态显像中脑病灶中心坏死、液化可表现为（）
A.热鼻征
B.过度灌注征
C.轮圈征
D.新月征
E.分水岭征
答案
参考答案：C
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采用不通过血脑屏障显像剂的脑静态显像中脑病灶中心坏死、液化可表现为（）
A.热鼻征
B.过度灌注征
C.轮圈征
D.新月征
E.分水岭征
参考答案：C
| 完形填空。 | |||
| It was a Sunday afternoon. The weather was very __1__ and nobody was glad to stay at home. Mike decided to go and swim in the river. His brother, little Jim, wanted to go with him. "__2__ him with you, Mike," said their father. "He'll obey you, I think." When they arrived at the river, lots of people __3__ in it. Mike told Jim __4__ on the bank, then he jumped into the water. About an hour later Mike swam to the __6__ with a fish in his hands. Jim was very __5__. He found a bottle and put the fish in it. That evening little Jim did __7__ except (除……之外) watching the fish. Suddenly Mike __8__ Jim crying (哭) in the room. He ran to him and asked, "What happened __9__ you, Jim?" "The fish has died," Jim said in tears (眼泪汪汪). "I thought it was tired, __10__ I brought it out of the bottle and put it on the chair. I only wanted it to have a rest!" | |||
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