题目: 需要使用安全玻璃的部位包括()A.观光电梯及其外围护B.楼梯、阳台、平台走廊的栏板和中庭内拦板C.用于承受行人行走的地面板D.水族馆和游泳池的观察窗、观察孔E.室内隔断、浴室围护和屏风 答案: 参考答案:A, B, C, D, E
题型:选择题 —It's difficult for the village children to cross the river for school. —I think a bridge __________over the river. [ ]A. should be built B. is being built C. has been built D. was built 查看答案
题型:单项选择题 液面距肛门的高度和肛管插入直肠的深度分别为A.20~30cm;5~7cmB.20~30cm;7~l0cmC.40~60cm;5~7cmD.40~60cm;7~l0cmE.40~60cm;15~18cm 查看答案