Cotton ____ in the southeast of
A. is grown B. are grown C. grows D. grow
同步練習強化拓展系列答案科目：高中英語 來源： 題型：
The most important thing about cotton in history is ___part that it played in ____Industrial Revolution.
A. /,/ B. the,/ C. the , the D. a ,the
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科目：高中英語 來源： 題型：
______ I saw Jane，she was picking cotton in the field.?
A. For the first time?
B. At the first time?
C. By the first time?
D. The first time?
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科目：高中英語 來源： 題型：
The most important thing about cotton in history is ______part that it played in ______ Industrial Revolution.
A. 不填；不填 B. the; 不填 C. the; the D. a; the
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科目：高中英語 來源：2011-2012學年河南省長葛市第三實驗高三上學期第二次考試英語試卷 題型：完型填空
When my oldest son was in high school, he planned to attend a Christian contemporary concert with the youth group from our church. To my 36 , Aaron invited me to go along. I 37 accepted; however, by the time the date of the concert arrived, my youngest son had been ill, and I was 38 about him. My husband 39 me to attend the concert, promising he would take care of our youngest. I hesitated.
Finally, it 40 me. Aaron was sixteen years old. How many 41 would I have to do something fun with him 42 he went away to college? And how many youth actually 43 their mothers to attend a concert with them that was clearly for teens? The 44 was made. I would not miss this opportunity.
At the concert, I sat with Aaron in the third row, stuffing (填塞) cotton in my ears to block out the 45 , ear-splitting music of the first performer. I stood when the kids stood, clapped when they clapped, and never let anyone know how 46 I was to feel the floor vibrate (震動) beneath my feet. Aaron and his friends were 47 at my enthusiasm.
By the time we left the concert, my ears were ringing, but it quickly passed. 48 did my son’s teenage years. 49 he was in college and away from home. I missed him more than I could say. On days when I was especially 50 for his ready smile and his teasing manner, I would think back to the concert we attended and be thankful once again that I didn’t 51 an opportunity to spend time with my son.
Aaron is now grown and has a family of his own, but we are still very __52 __ . Some days he calls just to __53__ and tell me about his day. I drop everything and 54 the moment, knowing these times too shall 55 .
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科目：高中英語 來源：遼寧省沈陽市三校20092010學年高二下學期期中聯(lián)考英語試題 題型：閱讀理解
Bollworms are a traditional threat to cotton crops．Young ones feed on the boll, the part of the
cotton plant that contains the seeds．
A bacterium known as Bt is able to kill bollworms and some other pests．Bt is short form for Bacillus thuringiensis．It was discovered in the early twentieth century．Farmers began using Bt as a natural pesticide（殺蟲劑）．
Then，in the 1990s，researchers found a way to grow cotton plants that contain a Bt gene．The genetically modified cotton plant produces toxins that kill bollworms．Farmers around the world are now growing an estimated fourteen million hectares of Bt cotton．
Cotton bollworms also attack other crops．But scientists in China recently reported that Bt cotton may help suppress bollworm in other crops growing nearby．
The study involved crops grown in six provinces of northern China between 1992 and 2008.The study area contained three million hectares of cotton and twenty-two million hectares of corn，peanuts，soybeans and vegetables．
The researchers say the study suggested that Bt cotton not only controls bollworm on the transgenic cotton，but also may reduce its presence on other crops．And that reduction，they say，may decrease the need for insecticide use in general．
But the researchers also pointed out concerns．They say bollworms could develop resistance to the cotton plants designed to resist them．And they noted that insects called mirids have become “key pests” of cotton in China．They said this is because of a decrease in pesticide use made possible by Bt cotton．
The researchers say they do not believe that Bt cotton alone can solve all insect problems．Instead，they say farmers in China should consider it just one part of pest management systems．
44．What is Bt in this passage?
A．It's a kind of hi-tech invention． B．It's a natural bacterium．
C．It's a kind of pest． D．It's a man-made pesticide．
45．Bt cotton has all the advantages EXCEPT that ________．
A．it resists bollworms
B．it does good to other crops growing around
C．it reduces the use of insecticide
D．it helps to develop new insects
46．The underlined word “ones” in the first paragraph refers to ________．
A．bollworms B．cotton crops C．cotton seeds D．pests
47．From the passage，we can infer ________．
A．farmers around the world are now growing a large area of Bt cotton
B．researchers are probably now searching for new ways to solve other cotton problems
C．bollworms could not exist in Bt cotton any longer
D．Chinese scientists found the way to grow Bt cotton
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