文档介绍：Appendix I
Key to Exercises (Units 1-8)
Unit 1
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 to a 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.
The border dispute between the two countries resulted in thousands of casualties.
Sara has made up her mind that her leisure interests will/should never get in the way of her career.
Obviously the reporter's question caught the foreign minister off guard.
The introduction of the electronic calculator has rendered the slide rule out of date / obso lete.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.
Unity is crucial to the efficient operation of an organization. Failure to reckon with this problem will weaken its strength. In many cases, work may be brought to a halt by con stant internal struggle in an organization.
The Red Army fought a heroic battle at Stalingrad and won the decisive victory against the Germans. In fact, this battle turned the tide in the Second World War. During this famous battle, the Soviet troops withstood the German siege and weakened the German army by launching a series of counterattacks.
II. More Synonyms in Context
1) During the First World War, battles occurred here and there over vast areas. Some of the
most dramatic fighting took place in the gloomy trenches of France and Belgium and in the
no-man's-land between the trenches.
2) Elizabeth made careful preparations for the interview and her efforts / homework paid off.
3)1 spent hour