W: Did you catch our very own Professor Stiller on TV last night
M: I almost missed it ! But my mother just happened to be watching at home and gave me a call.
W: Did you watch the movie on TV last night
M: No. I’m thinking of getting rid of our TV set.
W: Why
M: That’s not the point. The problem is that all our free time is taken up by the TV. We don’t have any proper conversation any more. The kids come back home just to have time for TV programs.
W: Yes. But don’t you think some of the programs are interesting
M: Occasionally yes, but most of the time they’re rubbish. They’re either silly comedies or the sort of films filled with crime and violence.
W: But television is not to blame for that.
M: I’m sure it is. The TV has killed children’s creativity. It’s so easy to sit there watching others working.
W: I don’t quite agree with yon. Too much television is bad. But I think it is also teaching children many things. For example, what is going on in the world and how people live in other countries.
M: But t
M: Did you watch the TV special about barnacles last night
W, No, I missed it. What did you learn about them
M: That they glue themselves to rocks in the ocean, shortly after birth. They also stay in the same place forever.
W: Right, have you ever tried removing one of those things It would be easier to chip the rock away than to get the barnacles off.
M: Exactly, and that’s why scientists are trying to figure out what the barnacles glue is made of. It’s considered one of the strongest adhesives in nature.
W: And it would have the advantage of being able to work on wet surfaces too.
M: Precisely, and because it’s natural protein, it probably wouldn’t be harmful to people like so many synthetic glues in use today.
W: Think of all the ways doctors and dentists could use such a glue, mending broken bones, fasting false teeth.
M: There could be countless uses. Scientists hope to learn soon exactly
A. Two.
B. There.
C. Only on
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