2019屆高三英語Cloning教案
24. c。從本句前部分強調水是一種液體，那么，邏輯推理，這里主要強調植物是“固體”的。后一部分的解釋說明“…especially when they are made of wood, like trees.”可進一步佐證。
25. a。從本句的關鍵詞dry a plant out以及下面的細節in the solid parts of plants可知是先把水全部去除。
26. d。從下文的實驗細節尤其是最后兩句可知是通過火燒的方法把兩種物質分離開。
29. b。根據下文內容可知，火燒到最后，就只剩下灰燼了，有機物被燒掉了，灰燼主要是由礦物質構成的。
30. d。根據上文可知，灰燼主要是由礦物質構成的，那么被燒掉的部分就是有機物。burn away“燒掉”。
2語法填空
閱讀下面短文，按照句子結構的語法性和上下文連貫的要求，在空格處填入一個適當的詞或使用括號中詞語的正確形式填空，并將答案填寫在答題卡標號為31-40的相應位置上。
詞數：139 完成時間：8分鐘 難度：
many people believe that they 31 (suppose) to drink eight glasses of water 32 day, or about two liters. why? because that is 33 they have been told all their lives. 34 a new report offers some different advice. the experts say people should obey their bodies; they should drink as 35 water as they feel like drinking.
the report contains some general 36 (suggest).the experts say that women should get about 2.7 liters of water 37 (day). men should' get about 3.7 liters. but wait - in each case, that is more than eight glasses. there is an important difference. the report does not tell people how many glasses of water to drink. 38 fact, the experts say that 39 may be impossible to know how many glasses are needed to meet these guidelines. this is because the daily requirement can include the water 40 (contain) in foods.
答案與評析
31.are supposed 32.a/one/every 33.what 34.but 35.much 36.suggestions 37.daily
38.in 39.it 40.contained
許多人相信一天應該喝八杯水才能滿足身體需要：但專家們在一份新的報告中卻給出了不同的說法。
31.are supposed.be supposed to do是固定用法，表達“應該/被期望做……”：
32.a/one/every表數量“一”：
33.what.連詞用來引導表語從句，在表語從句中作賓語：
34.but.表“轉折”關系。
35.much.形容詞表數量
36.suggestion.用名詞作賓語：
37.daily.本文討論的中心是人一天應該喝多少杯水才能滿足身體需要的問題，因此用副詞 daily “每日/每天地”來修飾set，