具有爆炸性的煤尘为只有在空气中呈悬浮状态，并且浓度在爆炸极限范围内（一般下限浓度为3 发布时间：2017-07-08 06:53 │ 来源：www.tikuol.com 题型：判断题 问题： 具有爆炸性的煤尘为只有在空气中呈悬浮状态，并且浓度在爆炸极限范围内（一般下限浓度为30—50g/m3,上限浓度为1000—2000g/m3）才能发生爆炸。
题型：判断题 1. Mrs. Li wants to send her daughter to take some piano lessons during the coming summer holiday.2. Betty and her boyfriend want to spend the weekend to watch something new. They both like dancing.3. Darning wants to buy some newspaper to read so that he can improve his English.4. Mr. Black wants to come to Beijing for the first time in August. He wants to enjoy the real Beijing Opera very much.5. Tony and his colleagues will have a trip in Guangzhou next week. They need to rent a car and a driver who understands English.A. Watch Your Neck: This modern ballet is telling the story of “Dracula” which is the classic novel by Irish playwright Bram Stoker. Time: 8:30 pm, February 2-9 Tel:98558588B. Children’s Activity CenterTel: 66589982Add: No. 2 Zhongshan Road (Singing lessons, piano lessons and dancing lessons.)C. Art Show: A total of 10 artists living close to each other are jointly giving an art exhibition.D. Peking Opera: Mei Lanfang’s brave fighting against the Japanese during the war of Resistance against Japanese will open your mind.E. Foreign Book Center: More and more increasing learning English books and newspapers, CDs. ect.F. The Changcheng hotel: Five star hotel. Looking for much experienced receptionists. Tel: (010)55883326G. Car-Hire Service: 12 seat Forit transit van for hire in Zhujing Business and Private Hire. We have English-speaking drivers. 查看答案
题型：判断题 上述佐助药涵义的表述，正确的是（）A.针对主病或主证起主要治疗作用B.针对重要的兼病或兼证起主要治疗作用C.针对次要兼证起直接治疗作用D.消减或制约君、臣药的毒性和峻烈之性E.防止病重邪甚时药病格拒 查看答案
题型：判断题 《药品经营质量管理规范》中规定，药品零售企业仓库应有的设备、设施包括（）。A.便于药品陈列展示的设备B.药品与地面之间有效隔离的设备C.有效监测和调控温湿度的设备D.符合储存作业要求的照明设备 查看答案