1、高考资源网（） 您身边的高考专家Unit 4Wildlife protectionSection Grammar & Writing第二板块单元写作建议信课时作业. 用现在进行时的被动语态改写句子1The doctor is examining her. She is being examined by the doctor. 2They are building a new library in our school. A new library is being built in our school. 3The students are cleaning the classroom no
2、w. The classroom is being cleaned now. 4They are not starting new nature parks in China. New nature parks are not being started in China. 5Are they shipping a number of new trucks abroad?Are a number of new trucks being shipped abroad?. 阅读理解Although onions taste delicious，watering eyes come with the
3、 process when you cut them up. Thankfully，Good Housekeeping has suggested some tips to prevent yourself from crying while you are trying to cut up an onion. According to the findings from the Institute，putting onions in a fridge 30 minutes before cutting can prevent the annoying hurt，as the cold sto
4、ps tearjerking (催泪的) gas from being produced. Another way to reduce the gas released by the onion is to put it in water for a while. Good Housekeeping recommends：“Cut the end off the onion and then put it straight into a bowl of water. The water will draw out the acid making your tears fewer when yo
5、u cut it. ”When an onion grows，it mixes with sulfur(硫) in the soil to create a special mineral acid. When the onion is cut into pieces，it reacts and creates a gas. As it reaches your face，this annoying gas causes the eyes to produce tears. The root is where the gases are most concentrated，so it is r
6、ecommended that this part of the onion be left on as you cut it to avoid uncomfortable eyes. Do this by cutting the vegetable in half down the middle，then cut off part of one side to create a flat surface. Then，place the onion with its flat surface down and cut it towards the root. Also，to reduce th
7、e gass effect on your eyes，cut it next to a window or near a fan so the gas is blown away from your face. And take care to use a sharp knife；this will make it easier to move through the vegetable，causing fewer cells to be broken and less gas to be released as a result. 【解题导语】本文是一篇说明文，主要介绍了避免切洋葱流泪的几个
8、方法以及切开洋葱后流泪的原因。1Refrigerating the onion before cutting can _. Achange its tasteBmake it easier to be cut upCavoid generation of the gasDhelp the gases mix more quickly解析：选C细节理解题。根据第二段“According to the findings. . . from being produced. ”可知，把洋葱放在冰箱里30分钟后切可以阻止洋葱产生让人流泪的气体，故C项正确。2From the fourth paragra
9、ph，what happens when the onion is cut up?ASome acid mineral is lost. BThe tear mixture is created. CThe sulfur inside it pours out. DA chemical reaction produces a gas. 解析：选D细节理解题。根据第四段第一、二句“When an onion grows. . . it reacts and creates a gas. ”可知，切开洋葱后，洋葱内含有的一种特殊的酸会发生化学反应，从而产生气体，故D项正确。3What does t
10、he underlined word “this” in Paragraph 5 refer to?AProducing more tears. BLeaving the root uncut first. CPromoting concentration. DMaking the onion more tasty. 解析：选B代词指代题。根据第五段第一句“The root is where the gases. . . cut it to avoid uncomfortable eyes. ”可知，洋葱的根是气体最集中的地方，所以建议把洋葱的这部分留下，以避免流泪；结合第五段第二句“Do t
11、his by cutting the vegetable. . . to create a flat surface. ”可知，该句中的this应指“开始时避免切开根部”，故B项正确。4The main purpose of the text is to _. Aadvise and explainBexamine and analyzeCargue and discussDpresent and compare解析：选A写作意图题。根据第一段第二句“Thankfully，Good Housekeeping has. . . to cut up an onion. ”可知，本文旨在介绍切洋葱不
12、流泪的几个方法；根据第四段可知，本文还介绍了切开洋葱后流泪的原因；据此可知，本文旨在提出建议并解释切洋葱导致流泪的原因，故A项正确。. 语法填空As you know，science plays 1_ very important role in our education. Do you want to keep up 2_ the latest research and discoveries in science？There are many good websites 3_ you can check out the latest in the science world. One g
13、reat site is Science News for Kids. This site reports science news 4_(cover) a wide range of subjects. The articles are intended for younger readers，but adults will find this site 5_(suit) for them as well. Another wonderful site，one that I check out every day,6_(call) Science Daily. The site is 7_(
14、constant) updated with news，often about exciting 8_(finding) that change how we view the world. These sites post the latest stories and also keep all the past articles they 9_(post) earlier. That way you can find articles just about anything that 10_(be) related to the science fields you are interes
15、ted in. 【解题导语】众所周知，科学在我们的教育中充当了一个很重要的角色。文章向我们介绍了几个方便查询最新科技信息的网站。1解析：play an important role in. . . 为固定搭配，意为“在中扮演重要角色(发挥重要作用)”，因为空后有发音以辅音音素开头的very，故填冠词a。答案：a2解析：你想跟上科技的最新研究和发现吗？keep up with为固定结构，意为“跟上，不落在后面”。答案：with3解析：先行词为websites，空处在定语从句中作地点状语，所以用where，相当于on which。答案：where4解析：提示词为动词，该句中已经有谓语动词(repo
16、rts)，提示词cover和其所修饰的名词news之间为逻辑上的主谓关系，所以用cover的v. ing形式作后置定语，在此相当于which covers。答案：covering5解析：这里构成“find宾语形容词(宾补)”结构，所以用suit的形容词形式。答案：suitable6解析：另一个“我”每天查看的精彩的网站被称作Science Daily。“one that I check out every day”是主语“Another wonderful site”的同位语，且主语和call构成被动关系，再结合全文的时态，确定此处用一般现在时的被动语态。答案：is called7解析：修饰动
17、词updated，作状语，故用副词。答案：constantly8解析：finding为可数名词，其前无限定词修饰，且定语从句中谓语动词为“change”，为复数概念，所以应用复数形式。答案：findings9解析：这里指的是“the past articles(以前的文章)”，也就是说是以前发布的，所以用一般过去时。答案：posted10解析：关系代词that指代的是先行词anything，并在从句中作主语，再结合全文的时态可知，应填is。答案：is. 书面表达假设你是李华，你的英国笔友Amy来信说她每逢重要考试都会倍感焦虑。请你给她回一封信，内容主要包括：1表示理解并给予安慰；2提出具体建议
18、(对考试持正确的态度，考前保证充足的睡眠，多做户外活动来放松身心)。注意：1词数100左右；2可适当增加细节，以使行文连贯。_One possible version：Dear Amy，Im sorry to hear that you feel rather nervous whenever youre taking an important exam. Most of us have such bad times，so dont worry too much about it. Id like to offer you some useful tips. First，its importa
19、nt to have a right attitude towards exams. They help you check how you are getting along with your studies，so the results are not the most important. If you study hard and make careful plans for every exam，you can be more confident. Second，getting enough sleep can make you energetic so that you can perform well in an exam. Therefore，you should not stay up too late. Finally，you can do some outdoor exercises to keep yourself relaxed before an exam. I hope you will find my suggestions helpful. Yours，Li Hua高考资源网版权所有，侵权必究！
