Nature is full of examples of cycles. The seasons come and go in a cycle of spring, summer,
autumn, and winter. The days move in cycles of day and night. And all living things live, grow, and
die in cycles. For example, a sapling grows tall and strong. Then, one spring, the tree blossoms.
These flowers later turn into fruit or other types of seeds. When these seeds fall, they land on the
ground. The seeds can then grow. If the seeds get enough sunlight and rain, they will become young
trees. As the trees blossom, the cycle repeats itself.
Rain also occurs in cycles. Water evaporates from the oceans and rises into the sky. This
means that the ocean water is warmed by the sun and some of it rises into the air. When enough
water has gathered together, big rain clouds form. The clouds will release or drop the water. The
rain falls on land and ocean alike. When the rain falls on land, the ground soaks up some of it. If a
lot of rain falls, the runoff flows into streams, rivers, and lakes. This water, in turn, flows into the
oceans. When some of this water evaporates into the air, the cycle repeats itself. 【題組】45. Based on the passage, what is one effect of evaporation?
(A) The oceans rise. (B) Big rain clouds form.
(C) Trees blossom. (D) The skies become clear.
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