英语BOOK4课后答案.doc

Key to Exercises ( BOOK4 Units 1-6) Unit 1 Part II Text A anization Parts Paragraphs' ' Main Ideas Part One Paras 1-2 Introduction — Both Napoleon's and Hitler's military campaigns failed because of the severity of the Russian winter. Part Two Paras 3-11 Napoleon's military campaign against Russia Part Three Paras 12-20 Hitler's military campaign against the Soviet Union Part Four Para 21 Conclusion — The elements of nature must be reckoned with in any military campaign. 2. Sections Paragraphs Main Ideas Section One Paras 12-13 Hitler's blitzkrieg against Russia and Stalin's scorched earth policy Section Two Paras 14-18 the battles fought at Leningrad, Moscow and Stalingrad Section Three Paras 19-20 the Russian counter-offensive and the e of the war Vocabulary I. 1. 1) alliance 3) stroke 5) minus 7) declarations 2) heroic 4) limp 6) regions 8) siege 9) raw 10) retreat 11) have taken their toll 12) In the case of 13) campaign 14) at the cost of 15) has been brought toa halt 2. 1) is faced with 2) get bogged down 3) is pressing on/ pressed on 4) drag on 5) picking up 6) falling apart 7) cut back 8) take over 3. 1) The rapid advance in gene therapy may lead to the conquest of cancer in the near future. 2) The border dispute between the two countries resulted in thousands of casualties. 3) Sara has made up her mind that her leisure interests will/should never get in the way of her career. 4) Obviously the reporter's question caught the foreign minister off guard. 5) The introduction of the electronic calculator has rendered the slide rule out of date / obso ? lete. 4. 1) At that time, the enemy forces were much superior to ours, so we had to give up the occupation of big cities and retreat to the rural and mountainous regions to build up our bases. 2) Unity is crucial to the efficient operation of anization. Failure to reckon with this problem will weaken its strength. In many cases, work may be brought toa halt by con ? stant internal struggle in anization. 3) The Red