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当前学科：皮肤软组织扩张术及显微外科的应用
题目：
判断题
显微外科组织器官移植后，血管危象只发生在第一个24小时以内。()
A . 正确
B . 错误
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Scientists were embroiled (使卷入) last week in an international row over genetically modified cotton (GM cotton).A study in China suggested for the first time that the crop was permanently damaging the environment and that insects were building up resistance to it.The study, by the Nanjing institute of Environmental Science, combined the laboratory and field work from four Chinese scientific institutes. The study was done over a several - year period.GM Cotton had a gene resistance to the cotton bollworm (棉铃虫) and isolated from the bacterium (细菌) named Bacillus thuringiensis (Bt), but the study found that it harms the natural parasitic (寄生的) enemies of the cotton bollworm.It also indicated that populations of pests besides the bollworm had increased in Bt cotton fields and some had replaced the bollworm as the primary pest.However, the leading GM company, the US's Monsanto, which controls more than 80 per cent of the Bt cotton grown worldwide, dismissed the research.It said that the industry has always cited GM cotton as its biggest success, because it can increase yields by up to 60 per cent and reduce the need for pesticides (杀虫剂) by 80 per cent.But, unfortunately for the industry, (80) the scientists also found that the resistance of Bt cotton to bollworm decreased significantly over time.Why scientists say no to GM cotton?A．Because the cotton was genetically modified.B．Because the cotton was found to damage the environment.C．Because the cotton harms the bollworm.D．Because Monsanto dismissed the research.
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患者，男性，20岁。全身瘙痒月余，当地医院拟为皮炎或湿疹治疗无效，且皮损加重，夜间瘙痒明显。入院体检：皮损以腹部、大腿内侧为明显，表现为散在的针头大小红色或皮色丘疹，部分结痂少许渗出，手指间渗出明显，阴囊、包皮可见散在丘疹、结节。家中多人类似皮损。你认为最有效的药物是（）。