Câu hỏi:

Read the passage and choose A, B, C or D for each of the following gaps.

Drought is a condition that becomes when the average rainfall for a fertile area drops far below the normal (1) ________ for a long period of time. In areas (2) _______ are not irritated, the lack of rain causes farm crops to wither and dead. Higher than normal temperatures usually accompany periods of drought. They add (3) ________ the crop damage. Forest fires start easily during (4) ______. The soil of a drought area becomes dry and crumbles. Often the rich topsoil is (5) ________ away by the hot, dry winds. Streams, ponds, and wells often dry up during a drought, and animals suffer and may even die because of the lack of water.

Drought is a condition that becomes when the average rainfall for a fertile area drops far below the normal (1) ________ for a long period of time.