Task 1Directions: After reading the following passage, you will find 5 questions or unfini

Task 1

Directions: After reading the following passage, you will find 5 questions or unfinished statements, numbered 36 through 40. For each question or statement there are 4 choices marked A, B, C, and D. You should make the correct choice.

Water on the earth is being continuously recycled in a process known as the hydrologic (水文的) cycle. The first step of the cycle is the evaporation (蒸发) of water in the oceans. Evaporation is the process of water turning into vapor, which then forms cl

Clouds are formed from ______.

A．evaporation

B．water vapor

C．outer space

D．the hydrologic cycle