理工類考試輔導：閱讀理解精選語句

　　1. Spacecraft from the United States and from Russia have been to the moon， and men have walked upon its surface. Rock and soil samples and information of many other kinds have become available in recent years. Yet with all we know about the moon， there is even more that we dont know.

　　1、美國和俄國的宇宙飛船都已經到達過月球，而且人類也在它的表面上行走過。月球上的巖石和土壤的樣本，以及許多其它類型的信息，近些年來已經為人們所知所用了。然而除了我們所知道的關于月球的那些外，還有更多是我們不知道的。

　　2. Following the end of the Apollo space program， the National Geographic Society published an excellent set of articles about the moon. Here， in shorter form， are some questions and answers from one of these articles. For the full story， see the September， 1973， issue of National Geographic.

　　2、在阿波羅太空計劃結束后，國家地理協會出版了一組有關月球的極好文章。這里，以簡短的形式截取了其中一篇文章重的部分問答。完整的內容，請見1973年九月發行的《國家地理》。

　　Were scientists right about what the moon would be like?

　　科學家關于“月球外貌”的描述是正確的嗎?

　　3. Many were， of course， but many were mistaken. One said there was no lava on the moon. Another said that the moon material would explode as soon as an astronauts boot touched it. One said there would certainly be water on the moon. Many felt there was a chance that the astronauts could bring back to earth some strange infection. These ideas are now known to be incorrect， and no doubt we are still wrong about many other things， also.

　　3、大多數是正確的，當然，也有相當部分是錯誤的。一個說法是月球上沒有熔巖。另外一個說法是宇航員的靴子一旦碰上月球物質就會爆炸。有人說月球確實存在水。許多人還認為宇航員有可能把某些奇怪的傳染病菌帶回地球。這些說法現在被證明都是不正確的，無疑，我們關于月球的許多其它的看法是錯誤的。

　　Is the moon like the earth?

　　月球像地球嗎?

　　4. Yes and no. It is more like it than many scientists thought before Apollo. Like the earth， the moon is in layers， with a crust on the outside and a deep mantle below. It may also have a core， as the earth does. However， the crust is almost four times thicker than the earths crust. We do not know much yet about the moons mantle， that section of superheated rock which goes down hundreds of miles below the crust. We think-but we are not sure-that the moon has a center core which includes molten rock， as the earth does.

　　4、答案是，像也不像。月球比科學家在阿波羅計劃之前想象的還要像地球。如同地球一樣，月球上有地層，表面是一層地殼，其下是很深的地幔。月球也可能如同地球一樣有一個地核。然而，月球地殼幾乎是地球地殼厚度的四倍。我們對月球地幔所知不多，那些過熱的巖石在外殼幾百英里以下。我們預料，但是我們不能確定，月球有一個由熔巖構成的地核，如同地球。

　　5. In other ways， of course， the moon is very different. There is no life， and there is no water. The makeup of its atmosphere is very different; the earth creatures cannot breathe in it.

　　5、在其它的方面，當然，月球非常不同。它沒有生命，沒有水。它的大氣的構成也非常不同，地球生物在那里不能呼吸。

　　Of what is the moon made?

　　月球是由什么構成的?

　　6. Definitely not green cheese. It has the same chemical elements as have the earth and the rest of the solar system but in very different amounts-more of some， less of others. Carbon， which is a very important part of living things on the earth， is rare on the moon.