D. Two treatments of the diseases including gene technology.
53. The underlined word “hereditary diseases” (in Paragraph 3) probably means
“_________”. A. serious diseases C. heart disease
B. cancer
D. family diseases
54. What can we infer from the passage?
A. The research of human genes is more and more important in our life. B. Gene technology will benefit the national economy.
C. Cloning babies under the control of the governments is acceptable in the writer’s eyes.
D. With the help of gene technology, human beings will turn into perfect species. 55. What’s the best title for this passage?
A. Time for Controlling Gene Technology! B. Cloning Babies, Good or Bad? C. Human’s Killers!
D. Gene Technology, the Helper of Human Being!
55.D 主旨大意题。通读全文可知文章讨论的是克隆技术，以及克隆给人类带来的影响。
第四节：短文改错
假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。
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增加：在缺词处加一个漏字符号(∧)，并在其下面写出该加的词。 删除：把多余的词用斜线(\\)划掉。
修改：在错的词下画一横线，并在该词下面写出修改后的词。 注意：
1．每处错误及其修改均仅限一词；
2．只允许修改10处，多者(从第11处起)不计分。
It was fine on April 8, 2010 .That day all the students in our class go to the suburb of our city to plant trees. On we arriving at the planting place at 8 o’clock , the teacher asked each of us to plant 5 trees at least. Then we set out digging, planting and watering. All of us were going all out finish our task, afraid of falling behind. Between us, our monitor set a good example to us. In spite of his illness, he accepted his task and finished it ahead of the time. Then he went on to help other without a little rest. After work, he was wet all over. He looked pale, and he was full of joy. Looked at the lines of young trees, we smiled pleasant, forgetting our tiredness.
第五节 书面表达
最近，有部分同学将食物带到教室吃，破坏了教室的环境卫生。请你就此现象写一篇100词左右的英语文章（开头已给出）呼吁大家共同维护教室卫生，营造一个良好的学习环境，应包括如下要点：
1．教室环境卫生现状不容乐观； 2．教室应时刻保持干净整洁； 3．我们应该采取措施保护教室环境。
As everyone knows, it’s of great importance to keep our classroom clean. ___________________________________________________________________________________
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