中国大学MOOC: Escalator is____to people on wheelchairs. (convenient)
中国大学MOOC: Escalator is____to people on wheelchairs. (convenient)
When taking the escalator, you should stand on the _______side. Leave the _______side for someone in rush./坐手扶电梯时,应靠_______侧站立,为有急事的人空出_______侧通道
When taking the escalator, you should stand on the _______side. Leave the _______side for someone in rush./坐手扶电梯时,应靠_______侧站立,为有急事的人空出_______侧通道
中国大学MOOC: 请选择表达最为正式的词语填在空白处。The scientists asked 200 passersby to estimate the angle of a set of stairs, and another 200 to do the same for an escalator—which, of course, requires no effort to __________.
中国大学MOOC: 请选择表达最为正式的词语填在空白处。The scientists asked 200 passersby to estimate the angle of a set of stairs, and another 200 to do the same for an escalator—which, of course, requires no effort to __________.
1