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咖啡因主要临床应用有
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尼可刹米的特点是
A、直接兴奋呼吸中枢B、反射性兴奋延脑呼吸中枢C、兼有直接与反射性兴奋呼吸中枢作用D、促进皮层细胞代谢E、较大量兴奋呼吸中枢与血管运动中枢11、山梗菜碱的作用是12、尼可刹米的作用是13、二甲氟林的作用是
A、二甲氟林B、哌醋甲酯C、山梗菜碱D、咖啡因E、尼可刹米6、仅使脑血管收缩的是7、治疗儿童多动症的是8、直接兴奋呼吸中枢的是9、可用于新生儿窒息的是10、通过直接和间接两种方式兴奋呼吸中枢的是
When honesty disappearsHonesty, as a core value of society, is vanishing from our social life. As can be known from numerous accounts, travelers 1）______ off so many towels last year that it cost a major hotel chain $ 3 million to replace them, whereas politicians in many countries get used to demanding 2) _________. But the worst of all is the academic 3) ___________ amongst today’s students who are tomorrow’s leaders.If that is indeed the case, what is behind it? The critical importance of a university degree may be the fuel of cheating in academic 4) ____________. The task of writing term papers, 5) _________ as a source of frustration, may also worsen the problem. But the foremost factor is an easy or free access to the Internet. With the Internet handy, all cheaters have to do is to 6) _________ the appropriate website.To cope with the plague of cheating, universities around the globe now adopt anti-plagiarism 7) __________ as well as very strict policies. Any student who is caught cheating in any way, for example, will be 8) ________ from school. But the best cure for the plague is the keen 9) ___________ that we must trust each other. Without mutual trust, ordered society would 10) ________ into chaos. And without mutual trust, the future of our society will have nothing to depend on for harmony and fairness.
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