1、话题 21 科普知识基础知识自测一、单词识记 1. _ n.宇宙 ; 世界2. _ n.受害者3. _ n.附近 ; 邻近4. _ adj. 严重的 , 剧烈的5. _ n.特征 ; 特性characteristic universevictimneighborhoodsevere6. _ vt.照顾;出席;参加7. _ vt.吸收;吸引;使专心8. _ vt.预见;预知9. _ adj.积极的;肯定的10. _ vt.打败;战胜 n.失败defeat attendabsorbforeseepositive11. _ n.治愈 vt.治愈12. _ n.柄;把手 vt.处理13. _ vt.怀
2、疑 n.嫌疑犯14. _ n.挑战 vt.挑战15. _ adj.熟练的 n.专家expertcurehandlesuspectchallenge二、单词拓展 (A)单词派生1. _ n. 科学_ n. 科学家_ adj. 科学的2. _ vt. 分析_ n. 分析 analysissciencescientistscientificanalyse3. _ vt. 污染;弄脏_ adj. 受污染的_ n. 污染pollutepollutedpollution4. _ vt. 命令;指示;教导_ n. 指示;教导instructinstruction5. _ vt. 结束_ n. 结束 ; 结论
3、6. _ n. 小心 ; 谨慎_ adj. 小心的 ; 谨慎的cautiousconcludeconclusioncaution(B)灵活运用1. He needed more _ (science) experiments to support his theory.1. 形容词作定语。2. She has come to the _ (conclude) that he does not love her at all.2. 名词作宾语。scientificconclusion3. He fell ill because of eating the _ (pollute) seafood.3. 形容词作定语。4. The _ (analyse) of the food showed the presence of poison.4. 名词作主语。5. Follow the _ (instruct) when you operate the machine. 5. 名词作宾语。pollutedanalysisinstructions