1、人教版选择性必修第一册人教版选择性必修第一册 unit2 基础过关基础过关+单元写作训练单元写作训练 .请默写出下列单词 1_ vt.转换；交换 vi.persuasion 11.distant ; distance 12.preference ;prefer 13.secure ;security 14. efficient;efficiently;efficiency 15. critical;critically; 16.constant;constantly 17.electrical ;electric; electricity18.relevant;relevantly;bine;
2、combination20.predict; prediction21.oppose; opposite; opposition 22. absence;absent 23.advocate;advocation 24.emphasis; emphasize 25. resist; resistance26. instant ;instantly27. warning;warn28.abnormal ;normal .语法填空 Mr Clark works in a middle school.He likes reading and often borrows some books 1. t
3、he library.He listens to the radio every morning and reads newspapers after supper.So he knows much and teaches well. Mr Clark has a nine-year-old son，Mike,2.also likes reading books.And he often asks his father some questions.Mr Clark always thinks hes too young 3.(understand) them and chooses the
4、easiest ones to answer.Of course the boy is not satisfied with it. One day Mike read something about lights and was 4.(interest) in it.He asked his father a few questions，and without any 5.(difficult) his father answered them all.Then his father said 6.(proud)，“Fathers always know 7.(much) than sons
5、！” The boy thought for a while and said，“I dont think 8.” His father asked，“Oh？ Why？” Mike didnt answer，and asked instead，“Who 9.(invent) lights in the 19th century？”“Thomas Edison，” answered Mr Clark.“Why didnt his father invent them， then？” 10.(look) at his son，Mr Clark didnt know what to say! 1fr
6、om 2who 3to understand 4interested 5difficulty 6proudly 7more 8so 9invented 10Looking .单元写作训练 假设你是李华， 最近你班就“人类是否应该开展克隆研究”进行了讨论， 请根据讨论结 果，写一封信给某英文报社的记者报道此事。 赞成的理由反对的理由你的看法 1.挽救濒危动物； 2.再造人体器官，用于移植。 1.引起基因不良变异； 2.克隆人导致伦理道德混乱。 注意： 1词数 80 左右； 2开头和结尾已给出，不计入总词数； 3可以适当增加细节，以使行文连贯。 _ _ _ _ _ _ _ _ 参考范文 Dear
7、Editor， Recentlyourclasshashada discussionaboutwhetherthecloneresearchshouldbecarriedout. Some students are for the clone research.They say cloning is helpful in researching into the cures for many diseases as well as useful in saving the endangered animals.Cloning could also offer perfect organs fo
8、r patients to transplant. However， others are against it.Though clone would improve the quality of life， it might bring about some genetic changes， and have some bad physical and psychological effects.Whats more， it might also raise ethical problems. Personally， cloningshouldbedealtwithcarefullyandmonitored closelybygovernment.Because we donotunderstandenoughwhateffectscloningwillhaveontheworldinthefuture. Yours， Li Hua
