1£®The two astronauts will carry out a series of scientific(science) experiments in spaceship.

2£®What conclusion do you draw from the research?

3£®The suggestion he had put forward was turned down at the meeting.

4£®When I opened the door£¬I found my father sitting in his chair£¬completely absorbed in the newspaper.

5£®His son is very naughty and has formed some bad habits.I think he should cure him of them.

6£®The concern of this book is with air pollution (pollute)£®

7£®Please read the instructions (instruct) carefully before  using it.

8£®The talks are continuing£¬but no announcements(announce)  are expected at this time.