问题
单项选择题
支气管哮喘应用拟肾上腺素类药物的目的，在于取得何种主要药理效应：（）
A.兴奋α受体
B.兴奋β受体
C.兴奋α、β受体
D.兴奋β2受体
E.兴奋β1、β2受体
答案
参考答案：D
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支气管哮喘应用拟肾上腺素类药物的目的，在于取得何种主要药理效应：（）
A.兴奋α受体
B.兴奋β受体
C.兴奋α、β受体
D.兴奋β2受体
E.兴奋β1、β2受体
参考答案：D
For my daughter's 19th birthday, we bought her tickets to go and see Linkin Park, as they were playing in our city. We didn't really have the ____ but we knew how much this band meant to her. The night before she was like a ____ at Christmas. Every so often she got up and came to ____ with us, because she couldn't ___. On the night of the ____ it was good to see her so ____ and excited, as she and her boyfriend set off. Needless to say when they ____ after midnight, with Tshirts and lots of pictures of the band, ____ her telling about how fantastic they had been, we knew the money had been well ____. This will be a memory she would ____ forget, and nor would we. ____ full of excitement from the night before, the following day they ___ to go shopping on the other side of the city. My husband and I ____， loving the fact that she had not ____ that quality as she grew up. Later that day they returned, with faces full of happiness and warmth. They presented my husband and me with a ____ each. On each present were the words “Because you are the ____ mum/dad in the world”. When we said our thankyous and told her she didn't have to, we asked her ____ she had bought us gifts. Her ____ was simply “Just because I love you”． This wasn't something ____ from our daughter; she had always given us a gift when she wanted to express her ____， and each gift was always a welcome surprise. It could have been anything, it wouldn't have mattered, and it was the act itself and the feelings behind it.
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