单项选择题
您的浏览器不支持 audio 元素。
A.Workers on the platforms and trains were replaced by machines.
B.A completely automatic line was added to its network.
C.It became the first completely automatic railway in the world.
D.Its trains became manual-controlled.
点击查看答案&解析
<上一题
目录
下一题>
热门
试题
单项选择题
A.Social activities.B.Cultural activities.C.Language activities.D.Sports activities.
A.Social activities.
B.Cultural activities.
C.Language activities.
D.Sports activities.
点击查看答案&解析
单项选择题
A.She has seen a doctor recently.B.She’s concerned about medical care.C.She’s unable to attend the study session.D.She mentions the need for some medical tests.
A.She has seen a doctor recently.
B.She’s concerned about medical care.
C.She’s unable to attend the study session.
D.She mentions the need for some medical tests.
点击查看答案&解析
相关试题
A.The boss was very considerate to...
A.He’ll probably talk about Chapte...
A.She’s not a very good cook.B....
A.He won’t vote for the woman.B...
A.It increased the students’ white...