【多选题】作为现代技术革命最新成就之一的生物技术,是20世纪70年代初在生物学和电子计算机技术的基础上形成的综合性技术,包括( )。
【判断题】班主任工作的好坏关系着学校工作的成败,关系着合格人才的培养。
【单选题】20 世纪 70 年代发现的( ),为基因工程的发展提供了有力的工具。
【简答题】Passengers moving about in the coach should ______ their step.
【多选题】如检索王晓宇,吴亚菲,赵蕾发表的“牙龈内陷的研究进展”这篇文献的全文,请问在哪个数据库可检索到此篇文献。
【多选题】如检索王晓宇,吴亚菲,赵蕾发表的“牙龈内陷的研究进展”这篇文献的题录信息,请问在哪个数据库可检索到此篇文献。
【多选题】As station officers, what should we do when the train is late and delays passengers' travel?
A.
We should explain to the passengers that why the train is late and when the train will come.
B.
We should advice that the passengers who get something urgent to deal with could take other transportation.
C.
We should tell the passengers who want to take other transportation could have their tickets handled at any metro station in 7 days.
D.
We should advice that the passengers wait for the train patiently in a line and keep them informed if we get further information.
【多选题】As station officers, what should we do when there are too many passengers waiting for the train on the platform?
A.
We should remind passengers to mind the gap between the train and the platform and get on first and then get off.
B.
We should advise passengers to move to the end tail/ head of the platform with fewer people.
C.
We should remind passengers not to force in the train while the doors are closing up.
D.
We should push in all the passengers stuck at the door and make sure that the door could be closed.
【单选题】20世纪70年代发现的_为基因工程的发展提供了有力的工具
【单选题】20世纪70年代发现的( ),为基因工程的发展提供了有力的工具