一、寄生虫病对人类健康的影响 寄生虫对人类的危害包括作为病原引起疾病、作为媒介引起疾病传播 以及对经济的损失。联合国开发计划署/世界银行/世界卫生组织联合倡 议的热带病特别规划(UNDPWorld Bank/WHO Special Programme for Research and Training in Tropical Diseases,DR)要求防治的6类主要热带病 中,除麻风病外,其余5类都是寄生虫病。它们是疟疾( malaria)血吸虫 病( schistosomiasis)、丝虫病( filariasis)、利什曼病( leishmaniasis)和锥 虫病(trypanosomiasis)根据WHO1975-195年估计,全世界现感染疟疾
Care of the microscope Dos 1. Do take special care to protect the microscope from dust in hot dry periods 2. Do take special care to protect the microscope lenses and prisms from fungal growth in hot humid periods 3. Do clean the immersion oil from the immersion objective each time, use lens tissue dampened with ethanol
Parasitology(寄生虫学), the study of parasites(寄生虫) and their relationships to the hosts(TE E), is one of the most fascinating areas of the biology. While it is entirely proper to classify many bacteria(细菌) and fungi(真菌) and all viruses as parasites
L. True and False Questions Decision making is a distinct management activity that should be separated from budgeting, directing, and controlling activities. (F) 2. The concept of the relevant range does not apply to fixed costs. (F) 3. A cost formula may not be valid outside the relevant range of activity ( T) 4. The high-low method is generally less accurate than the least-squares regression method for
1. Please elaborate the term of efficient market 2. Please elaborate the terms of ethical man, economic man, rational economic man, bounded ationality, REMM 3. According to economic man and REMM, all men are self-interested\potential thieves However, this is conflict with our observations. Please