第3题:[多选题]空调机组蒸发室盖板、压缩机室盖板、冷凝风机盖板、冷凝器盖板、冷凝风机防护格栅,月检检查标准是() A蒸发室盖板、压缩机室盖板、冷凝风机盖板、冷凝器盖板、冷凝风机防护格栅无裂纹、无变形;
B 蒸发室盖板、压缩机室盖板、冷凝风机盖板、冷凝器盖板、冷凝风机防护格栅,各盖板螺栓紧固,盖板锁锁闭良好 C 接地线无断股;
D 蒸发室盖板二次防护销无变形、无脱焊,锁闭到位 A.A B.B C.C D.D 参考答案:ABCD
第4题: [单项选择]What are the speakers probably going to do A. To persuade Mary to spend more time on her lessons. B. To help Mary to prepare for the upcoming concert. C. To talk with Mary about going to the concert. D. To ask Mary to stop worrying about the exam. 参考答案:A 答案解析:W: I’’m really getting worried about Mary. She is sitting for exam in two weeks’’ time, but she is t
第35题: [单项选择]与苯丙胺有关的描述不正确的是() A. 具有强烈的中枢神经兴奋作用和致欣快作用 B. 可导致出现幻觉、妄想症状 C. 与可卡因有类似的药理作用 D. 使用后很快体会到快感 E. 极易产生躯体依赖,较难产生精神依赖 参考答案:E 答案解析:一般认为,苯丙胺较难产生躯体依赖而更容易产生精神依赖。