35.-How shall we do the scientific research?
-________, we’ll have to gather concerned information as much as possible.
A.After all B.To begin with C.In other words D.To be frank
34.Though the chair looks rather hard, it is very comfortable to _________.
A.sit B.sit on C.be sat D.be sat on
33.Jim is a _________ person, so he has never been late for school.
A.busy B.diligent C.energetic D.punctual
32.People from all over the world ________ China on the successful launch of Chang’E-1.
A.celebrated B.greeted C.congratulated D.enjoyed