金属材料是生产和生活中使用最广泛的材料之一，它的来源丰富，性能优良。（）
of one hundred and fifty-two centimeters in diameter. His3discovery was the finding of a Cepheid variable star (造父变星) in the outer area of a nebula (星云). He4that nebulae were galaxies themselves, and thus, astronomers now5to the view that distant galaxies do exist. He then made ...
When I was in third grade, I watched a video that was about the discovery of King Tutankhamen’s tomb (坟墓). I remember Howard Carter looking the tomb carefully through a narrow hole with a candle. A workman asked what he could see. “Wonderful things!” Carter said. From that moment...
B[原创]When I was in the third grade, I watched a video about the discovery of King Tutankhamen's tomb(坟墓). I remember the archaeologists looked through a narrow hole in the tomb with a candle. A workman asked what he could see. "Wonderful things!" he sai d. From that moment, I...
was going to help me figure it out. And here I was spending all of the money my parents had saved their entire life. So I decided to drop out and trust that it would all work out OK. It was pretty scary at the time, but looking back it was one of the best decisions I ever ...
根据第二段SoIdecidedwhatIwantedtobeattheageofnine,andImadeithappen.(所以我在九岁的时候就决定了我要做什么,而且我做到了。)和Ididmystudies-university,thenaPhD(博士).ButalongthewayIwastoldmanythings,"Shawkiwastooyoungandshehadnoexperience.Sheshouldgetmarriedandhavekids".Ialsoneededmoney,soIappliedfor...
As I got older, I started reading a lot more non-fiction. I was still interested in books that explored the implications of innovation, but it felt more important to learn something about our real world along the way. Lately, though, I’ve found myself drawn back to the kinds of books...
When I was in the third grade, I watched a video that showed the discovery of King Tutankhamen’s tomb (陵墓). I remember Carter, one of the characters in the video, going through a narrow hole in the tomb with a candle. A workman asked what he could see. “Wonderful things!” Cart...
根据第二段SixmonthslaterthelastreplycameandIwasexcitedaboutit.(六个月后,我收到了最后一封回信,对此我很兴奋。)可知,作者收到了补助金的回复,因而"it"指代的是收到的最后一封回复。故选A。(3)推理判断题。根据倒数第二段Foranyonethinkingaboutajob,Iwouldsay:Nevergiveup.Ifyouwanttodosomething.keeptrying....
1章练习题 Fill in the blanks. Among the members of the small band of Jamestown settlers was , an English soldier of fortune, whose reports of exploration, published in the early 1600s, have been described as the first distinct American literature written in English. 【答案】Captain John Smith...