问题
单项选择题
肺灌注显像剂注入颗粒数宜为（）
A.1万-10万
B.10万～15万
C.20万左右
D.70万～l20万
E.>120万
答案
参考答案：C
解析：肺灌注注射的颗粒数20万左右为宜，一次注入量不应超过50万颗粒，以减少不必要的栓塞，尤其对肺血管床严重受损患者应避免造成风险。
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肺灌注显像剂注入颗粒数宜为（）
A.1万-10万
B.10万～15万
C.20万左右
D.70万～l20万
E.>120万
参考答案：C
解析：肺灌注注射的颗粒数20万左右为宜，一次注入量不应超过50万颗粒，以减少不必要的栓塞，尤其对肺血管床严重受损患者应避免造成风险。
It was already half past seven and I was running late again for the dinner appointment with my wife, Eleanor. We had to meet at the restaurant at seven o'clock. I felt a little uneasy, but to my ，I had a good excuse: A business meeting had and I'd wasted no time getting to the dinner. When I arrived at the ，1 apologized and told Eleanor I didn't mean to be late. She screamed, "You never mean to." Well, I tell she was angry. "I'm sorry but it was not ," I said. Then I told her about the business meeting. , my explanation seemed to make things worse, which started to drive mad as well. Several weeks later, when I the situation to my friend Ken Hardy, he smiled, "You a classic mistake. You're stuck your own way of thinking. You didn't to be late. But that's not the point. What is in your communication is how your lateness affected Eleanor." He pointed out that I focused on the intention Eleanor focused on the result. Thus, of us felt misunderstood and crazy. Thinking more about Ken's words, I recognized the root cause of such disagreement. It's the result of the action that really .I should have started the conversation by expressing my actions affected Eleanor and the discussions about my intention for later, much later and even never. Later on, after talking to Eleanor and really her experience of the results of my lateness, I've managed to be on time a lot more frequently.
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