题目内容
C值矛盾(C-value paradx)
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热水袋使用中不正确的是
RNA干涉(RNA interference)
第一节 短文改错 此题要求改正所给短文中的错误。对标有题号的每一行作出判断：如无错误，在该行右边横线上画一个勾(√)；如有错误(每行只有一个错误)，则按下列情况改正： 多一个词：把多余的词用横线(—)划掉，在该行右边横线上写出该词，并也用斜线划掉。 缺一个词：在缺词处加一个漏字符号(∧)，在该行右边横线上写出该加的词。 错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。 注意：原行没有错的不要改。I was a high school student then, from low-income 76. ______family. So I have to work to support my family. My 77. ______first one job was to clean the tables in a small restaurant. 78. ______I still remember going there early and felt anxious about 79. ______the new world. I worked harder because I was afraid of 80. ______losing the job. At night, I was sometimes very tired to do 81. ______my homework. And I came to understand that was not 82. ______easy to earn money, and that knowledges could change 83. ______my life. So what I learned from the job, in a hard 84. ______way, was much more important as what I earned. 85. ______
阅读下面短文，从短文后所给各题的四个选项(A、B、C和D)中选出能填入相应空白处的最佳选项。 Recently I was invited to a friend’s house for supper—and had a meal I had never had before. All the friends invited were a little (36) . It’s not that Ben is unsociable, or a bad cook, but it’s just that he never (37) more than he has to. So how come he was inviting us round for a meal Had he bought something (38) for his friends He greeted us at the door and showed us into his dining room where a (39) table was waiting for us. "Nothing but the (40) for my friends!" saidBen. We all sat down and looked (41) at each other—what was he (42) Ben returned with four bowls of hot soup. "It’s a (43) of carrots, potatoes and tomatoes," said Ben. The next (44) was also a little strange (45) we didn’t quite know what it was again. It was just another mixture of vegetables. As we ate we chatted and finally the (46) turned back to what we were eating. "Was there a recipe for this," asked Marina, "or did you (47) it up" Ben put his fork down, "What I cooked (48) what I could find. "Marina was surprised," But you can find anything in supermarkets these days." "But there’s (49) choice in what you can find (50) supermarkets," he replied. (51) that we had all finished the food, Ben decided to tell the troth. He had read recently that supermarkets usually (52) away five percent of their food every day. So Ben decided to look inside his local supermarket bins. There he found food that was slightly out of (53) , boxes of vegetables and fruit thrown away. So Ben had (54) provided a decent meal for his friends, and made us aware of the fact that there are many poor people who need the food, but the amount of food thrown away is enough to (55) millions of people.
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