Question 210. An economic                                                            is a time when there is very little

economic activity, which causes a lot of unemployment and poverty.

A. improvement                B. depression                    C. development                 D. mission

Question 211. Those companies were closed due to some seriously financial problems          .

A. taken off                       B. put away                       C. wiped out                     D. gone over

Question 212. The desert biome includes the hottest places in the world because it absorbs more

                   from the sun than land in humid climates do.

A. heat                               B. hot                                C. hotly                             D. Heating

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