| A | B |
|---|
| 1.proof (n) | evidence sufficient to establish a thing as true, or to produce belief in its truth. |
| 2.refugee (n) | a person who flees for refuge or safety, esp. to a foreign country, as in time of political upheaval, war, etc. |
| 3.predict (v) | to declare or tell in advance; prophesy; foretell: to predict the weather; to predict the fall of a civilization. |
| 4.dramatically (adv) | of or pertaining to the drama. |
| 5.prosper (v) | to be successful or fortunate, esp. in financial respects; thrive; flourish. |
| 6.retreat (v) | the forced or strategic withdrawal of an army or an armed force before an enemy, or the withdrawing of a naval force from action. |
| 7.occur (v) | to happen; take place; come to pass |
| 8.actually (adv) | In fact; in reality |
| 9.harvest (n) | the season when ripened crops are gathered. |
| 10.plunge (v) | to cast or thrust forcibly or suddenly into something, as a liquid, a penetrable substance, a place, etc.; immerse; submerge |
| 11.crop (n) | the cultivated produce of the ground, while growing or when gathered |
| 12.famine (n) | extreme and general scarcity of food, as in a country or a large geographical area. |
| 13.struggle (v) | to contend with an adversary or opposing force. |
| 14.recovery (n) | the regaining of or possibility of regaining something lost or taken away. |
| 15.agreement (n) | the state of being in accord. |
| 16.glacier (n) | an extended mass of ice formed from snow falling and accumulating over the years and moving very slowly, either descending from high mountains, as in valley glaciers, or moving outward from centers of accumulation, as in continental glaciers. |
| 17.cause (v) | the reason or motive for some human action |
| 18.therefore (adv) | in consequence of that; as a result; consequently |
| 19.during (prep.) | throughout the duration, continuance, or existence of |
| 20.look back (v) | to turn one's eyes toward something or in some direction in order to see |
