题型:选择题 _____, I think, and the problem could be settled. [ ]A. If you don't doubt your efforts B. So long as you keep up your spirits C. Making great efforts D. A bit more efforts 查看答案
题型:单项选择题 软蜱()A.可传播病原体为远东型脑炎病毒的森林脑炎B.可传播病原体为伊朗疏螺旋体的蜱媒回归热C.可传播病原体为莫氏立克次体的地方性斑疹伤寒D.可传播病原体为马来丝虫的丝虫病E.可传播病原体为杜氏利什曼原虫的黑热病 查看答案