题目内容
香豆素类的抗凝机制为
查看答案
搜索结果不匹配？点我反馈
更多问题
下列不能用于治疗心律失常的是
Tourists are frequently criticized 1 the ecological balance of Mount Himalayas and 2 chewing gum under the benches of museum and art galleries. They are also blamed for their 3 while visiting Notre Dame. My fellow tourists have reviled me for having destroyed Provence 4 . They have made a lot of complaints 5 . For instance, there have been the busier markets, higher prices, 6 restaurants, cafe tables and parking lots, 7 empty bakeries and impatient waiters. Yet, Provence began 8 over 2,600 years ago. The locals welcomed Greeks 9 , and Romans 10 viaducts and amphitheaters. But those of Visigoths, Ostrogoths and Franks brought the tourists into 11 by terrifying the inhabitants and 12 . According my observation, I would like to say a few words 13 those much blamed tourists. Most of them are amiable and considerate, and they came mostly to the towns and postcard villages in Provence in July and August just for sunshine, 14 , the food, the wine, a pleasant break from real life. I believe Provence has been 15 to tourism 16 the chateaux, gardens and monuments, and 17 concerts and village fetes in the districts. But usually the tourist is 18 the blame 19 and 20 in some parts of the world. A．spectacular scenery K．shouldered B．for the holding of L．for the overexploitation C．not to mention M．amiable and considerate D．grateful N．high occupancy of E．the smearing of O．for the survival of F．based on their own perspectives P．the lost charm G．its massive tourism Q．poor behavior H．by writing about it R．for the monuments I．ravaging the countryside S．disrepute J．for their spoilage of T．for their civilizing influence
下列受体与其激动剂搭配正确的是
使用PERT图进行进度安排，不能清晰地描述 (4) ，但可以给出哪些任务完成后才能开始另一些任务。下面的PERT图所示的工程从A到K的关键路径是 (5) (图中省略了任务的开始和结束时刻)。
微信支付 
支付宝支付