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There weren’t any surprises there. The surprise I had was standing on the surface after we’d been there for a few minutes, having a chance to rest a little bit, and looking up at the earth for the first time-you have to look up because that’s where it is. And the sky is totally black, and here you have a planet which is four times the size of the moon as we look at it from the earth, and you also have color. You have a blue ocean and the brown landmasses-the brown continents-and you can see ice on the ice caps on the North Pole, and so on.
The speaker was mostly probably talking his experience

A. on the high mountain.
B. under the ocean water.
C. in an airplane.
D. on the surface of the moon,
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单项选择题
Thomas Edison was awarded more patents on inventions than any other American. When he died in 1931, Americans wondered how they could best show their respect for him. One suggestion was that the nation observe a minute or two of total blackout. All electric power would be shut off in homes, streets, and factories. Perhaps this suggested plan made Americans realize fully what Edison and his inventions meant to them. Electric power was too important to the country. Shutting it off for even a short time would have led to complete confusion. A blackout was out of the question. On the day of Edison’s funeral, many people silently dimmed their lights. In this way they honored the man who had done more than anyone else to put the great force of electricity at his countrymen’s fingertips. In order to honor Edison, many Americans dimmed their lights
A. all the year of 1931.
B. on the day of Edison’s funeral.
C. a few days around Edison’s funeral.
D. for one or two minutes.
单项选择题
Good evening, ladies and gentlemen, and welcome. I’m sure we have all heard of the expression Think green . Tonight we are going to talk about Act green in our everyday life. The best place to start, of course, is in nut home. Every day people all over the world are hurting the environment without even knowing it. For example, busy families buy paper napkins and plastic food wrap at the supermarket. This helps them save time oil housework. But after these things have been used, what happens to them They go into the garbage can. In many places, especially in North America big cities are running out of places to throw their garbage. What can we do about it How can we cut down on garbage Now we can use plastic: napkins and plastic towels instead of paper towels. When we go grocery shopping we can choose products that are not over-packaged. For example, last week I bought a package of cookies in a hag. There was a plastic tree inside the bag, and then each cookie was in its own package on the tree in the bag. That’s over-packaging. We should also take our own bags to the grocery store to carry the things home in. What does the speaker’s attitude towards over-packaging according to the speech
A. It helps us save time.
B. It adds to the problem of too much garbage.
C. It is a kind of waste of resources.
D. It is a good way to make things look nic
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