高中英語Unit22EnvironmentalProtection-Lesson3自我小測(cè)北師大版選修8

1、unit 22 environmental protectionlesson3。單詞拼寫1his temper is c_，so do not annoy him.2i_is important in growing crops.3the battleship shall be a_with another five guns.4there is abundant r_in our hometown。5a new railway is being c_。.選擇適當(dāng)?shù)亩陶Z，并用其正確形式填空1they were pleased to meet after_。2only_can you impro

2、ve your english.3he realized that sleepiness _this accident.4about 10 million bengalis _india.5he_in guangzhou by selling newspapers。.根據(jù)課文閱讀下面的句子.每句有一處錯(cuò)誤,找出并改正1in the last decade，thunderstorms，floods，earthquakes，typhoons，volcanic eruptions，tsunamis and forest fires have become decreasingly common._2

3、this catastrophe is still very fresh in the minds of people worldwide who have yet got over their separation from loved ones lost in the tsunami._3atlantic hurricanes-their howling winds with speeds of over 300 kilometres an hour-are 40% weaker now than they were 30 years ago。_4volcanoes and earthqu

4、akes are even less dangerous than in the past as around half the worlds population now lives in cities。_5because these natural disasters occur at random times，it is easy to warn people in advance._.簡(jiǎn)答題the north magnetic pole（磁極）is no longer a resident of canada。it has drifted across the canadian arc

5、tic and is now angling toward siberia。not to be confused with the geographic north polethe northern extremity of the earths axis（地軸)，the north magnetic pole(where the earths magnetic field is directed downward)is moving due to natural changes in the earths magnetic field，a process that originates ab

6、out 3000 kilometers below our feet，in the outer core（核心)of the planet。but scientists are now noticing that the magnetic pole has picked up its pace。over the past century，the pole has been migrating at an average speed of about 10 kilometers per year，says larry newitt,head of geomagnetic laboratory a

7、t natural resources canada in ottawa。since the 1970s，this speed has increased to about 50 kilometers per year.scientists are wondering why the speed is increasing，says newitt.one hypothesis(假說)relates it to “magnetic jerks”，sudden shifts(變化）in the rate of change of the magnetic field。there have been

8、 three jerks in the past four decades，each one correlating to an increases in speed.if the north magnetic pole continues at its current rate,it could reach siberia by 2056.“for most of recorded history，the pole has been a part of canada，and now its not，says newitt.“it may be a blow to our collective

9、 psyche，but other than that，it doesnt have a major effect on most peoples existence.”1find in the passage a word closest in meaning to the underlined word “angling_2what could happen to the north magnetic pole by the middle of the 21st century?（回答詞數(shù)不超過8個(gè))_3what is the main idea of the passage？(回答詞數(shù)不

10、超過8個(gè)）_參考答案.1答案：changeable2答案：irrigation3答案：armed4答案：rainfall5答案：constructed。1答案：such a long separation2答案：by this means3答案：had resulted in4答案：fled to5答案：earned his living.1答案:decreasinglyincreasingly2答案:have后加not3答案:weakerstronger4答案：lessmore5答案：easydifficult。1答案:moving/migrating。2答案:it could reach

11、siberia。3答案:the north magnetic pole is moving faster.尊敬的讀者：本文由我和我的同事在百忙中收集整編出來，本文稿在發(fā)布之前我們對(duì)內(nèi)容進(jìn)行仔細(xì)校對(duì)，但是難免會(huì)有不盡如人意之處，如有疏漏之處請(qǐng)指正，希望本文能為您解開疑惑,引發(fā)思考。文中部分文字受到網(wǎng)友的關(guān)懷和支持，在此表示感謝！在往后的日子希望與大家共同進(jìn)步，成長(zhǎng)。this article is collected and compiled by my colleagues and i in our busy schedule. we proofread the content carefully before the release of this article, but it is inevitable that there will be some unsatisfactory points. if there are omissions, please correct them. i hope