Question

【題目】閱讀下面材料，在空白處填入適當?shù)膬热荩?個單詞）或括號內單詞的正確形式。
The truth trees are vital to our life is not a secret.They provide us with food, wood and most (importance), oxygen. Now there is one morething we can add to this list—blocking out harmful bacteria from water.
The discovery (make) by a team consisting of scientists from the Massachusetts Institute of Technology (MIT) and high school students whowere seeking a (nature) water filter（過濾器）—one thatwould help communities in developing countries that do not have access tomodern water filter systems.
The (research), led by Professor Rohit Karnik,decided to turn to trees for help because they could allow liquid to flowthrough, while (block) outair bubbles.
They began by cutting 1.5-inch-wide sections of tree bark fromthe branches of a white pine tree. The people related then tested the wood’sfiltering ability by pouring water containing red dye particles of differentsizes through. their amazement, they found that it waseffective in trapping all the articles.
(encourage), the team conducted experiment, this time with water contained bacteria. Sure enough, the sapwoodheld back 99% of the bacteria, allowing only 1% to flow through.

Answer 1

【答案】["That","importantly","was made","natural","researchers","blocking","To","encouraged","another","that\which"]
【解析】通過本文考查學生正確運用英語單詞的能力。
①that 句意:樹木對我們的生活很重要的事實并不是秘密。that 引導同位語從句，從句不缺少成分，故用從屬連詞that對the truth的內容進行解釋。
②importantly 句意：樹木提供給我們食物，木頭，最重要的是，提供給我們氧氣。。mostimportantly最重要的是，做狀語謂語動詞provide。
③was made 本題考查被動語態(tài)，make adiscovery 發(fā)現(xiàn)；discovery做主語，故用被動語態(tài)was made。
④natural 句意:他們正在尋找一種自然的濾水器。形容詞natural用來修飾water filter。
⑤researchers句意: ProfessorRohit Karnik帶領的團隊決定求助于樹木�？疾槊�詞，這里應該用復數(shù)，故researchers。
⑥blocking 句意:當遮住空氣氣泡時，它們允許液體流經。考查現(xiàn)在分詞作狀語，故blocking。
⑦To 本題考查固定結構to theiramazement令他們驚訝的是。
⑧Encouraged 考查過去分詞作狀語 the team與動詞encourage之間是被動關系，故用encouraged做狀語。
⑨another 句意:他們又做了一次試驗。another又一，再一。
⑩that\which 本題考察定語從句 選擇合適關系代詞指代先行詞water并在定語從句中充當主語，故用that\which。