The teacher gave us permission to leave the room.




A.“You must leave the room,” the teacher told us.
B.“You may leave the room,” the teacher told us.
C.“You ought to leave the room,” the teacher told us.
D.“I give you permission leave the room,” the teacher told us.

The notice should be put in the most conspicuous place so that all the students can be well-informed.




A.popular
B.suspicious
C.easily seen
D.beautiful

Mike: “Do I still have to change my clothes?” Bate: “________ .”




A.The party begins at 2 pomp
B.Don’t change your mind, please
C.Let’s discuss that some time
D.Sure, take your time

Some great men have had ________ school records.




A.indistinct
B.extinguished
C.indistinguishable
D.undistinguished

______(73)




A.prefer
B.report
C.explain
D.talk

______(75)




A.near
B.close
C.tight
D.heavy

_______(78)




A.face
B.surface
C.appearance
D.figure

____(73)




A.positioned
B.placed
C.situated
D.put

_______(71)




A.old
B.ancient
C.antique
D.early

According to the passage, how do bats navigate?




A.By responding to the echoes of their signals bouncing off objects
B.By warning the colony of approaching danger with high squeaks
C.By beating their wings fifty times per minutes
D.By using their sensitive ears to hear the noises in the environment