超星 - 9.2 Quiz 1 - 查题吧

填空题

We live busy lives with so little time to enjoy the world around us that ofte ntimes we almost forget it is there.Living in the Niagara 1. , an area that has so much to offer both 2. and historically, we forget about the 3. of nature and the fact that not everyone lives as we do.Going to university in Toronto this year, I was surprised to learn that Niagara is one of the top crop 4. in not only Ontario, but also Canada. I was even more surprised that many of the people I met who were from Toronto had never seen a farm before, or enjoyed the small 5. of picking their own fruit or going for hikes in 6. areas. I realized that I was lucky to have experienced both the urban and rural life.7. by the question of how I felt about living so close to Niagara Falls, I decided to stop by after work one night and really look at them. I felt as though I was really seeing the falls for the first time, and they truly were everything that the tourists had promised. Staring into the never-ending cascades of water, I was 8. by it all.Here I was, standing at the top of such a 9. sight that I had seen so many times before, but for the first time in my life, I was truly seeing it the way that it was meant to be seen; through the eyes of a 10. .

填空题

Listen to the passage and fill in the blanks with the words you hear. Scientists __1animals for many years. In 1952, the first animal, a tadpole, was cloned. Before the_2of Dolly, the first mammal cloned from the cell of an3, clones were created from embryonic cells. Since Dolly, researchers have cloned a number of large and small animals including sheep, goats, cows,_4, pigs, cats, rabbits, and a gaur. All these clones were created using __5.Hundreds of cloned animals exist today, but the number of 6_is limited. Attempts at cloning certain species have__7. Some species may be 8to somatic cell nuclear transfer than others. The process of stripping the nucleus from an_9_and replacing it with the nucleus of a donor cell is a traumatic one, and _10____may be needed before many species can be cloned successfully.

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