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关于氟尿嘧啶描述正确的是( )
A.
根据电子等排原理设计
B.
抗代谢抗肿瘤药物
C.
胸腺嘧啶合成酶抑制剂
D.
抗瘤谱广
E.
水溶液稳定
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【简答题】Wolves sometimes attack young children or old people
【简答题】(山东省莱西市)阅读《绿色塑料》,完成13一17小题。(15分) 绿色塑料 ① 塑料问世后,即被人们广泛地应用到了几乎所有的领域。但是,在塑料应用极大地促进工农业生产发展,丰富和改善人们物质文化生活的同时,也带来严重的“白色污染”问题。塑料不会自行“腐烂”,如果塑料薄膜长期存在于田间,不仅妨碍耕作,而且破坏土壤自身的水肥及微生物平衡,对农作物生长造成不利影响。发达国家对使用后的塑料曾采用过掩埋!焚...
【简答题】Do you know? There is one language ____ in every country in the world. People, young or old, short or tall, thin or fat, use it very often. It is everybody’s second ____ . It is very easy to ___, thou...
【单选题】A helping hand and a friendly face can mean a great deal to a lonely elderly person. Handicapped people may be young or old.
A.
援助之手和友好的面孔,对寂寞的老人来说,意义重大。孤寡的人老少都有。
B.
援助之手和友好的面孔,对寂寞的老人来说,意义重大。残疾人老少都有。
【简答题】阅读下列材料,回答问题。(28分) 材料l:十七大报告中明确指出:“到2020年实现全面建成小康社会的奋斗目标―建设生态文明,基本形成节约能源资源和保护生态环境的产业结构、增长方式、消费模式。循环经济形成较大规模,可再生能源比重显著上升。主要污染物排放得到有效控制,生态环境质量明显改善。生态文明观念在全社会牢固树立。”十七大报告将生态建设放到了文明的高度,这是一个创举。 材料2:所谓循环经...
【单选题】All the people in China, poor or rich, young or old, man or woman, are on the same level _____ e
A.
88. All the people in China, poor or rich, young or old, man or woman, are on the same level _____ each other. A.to
B.
with
C.
at
D.
For
【单选题】All the people in China, poor or rich, young or old, man or woman, are on the same level ______each other.
A.
to
B.
with
C.
at
D.
for
【简答题】The ideal teacher may be young or old, tall or short, fat or thin. He should his subject very well and like learning something about other subjects. The ideal teacher must be full of strong feelings o...
【简答题】TRUE FALSE NOT GIVEN 4. Those who are more likely to suffer badly with the flu include very young or very old people.
【单选题】No matter who he is, young or old, people s state of mind tends to keep__________ with the rapid change of society.
A.
contact
B.
progress
C.
touch
D.
pace
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