試題詳解

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(A) They are home to a fascinating variety of plants and animals.
(B) Hot deserts, on the other hand, have high temperatures, usually over 75°F. in the daytime.
(C) Because it stays frozen on the ground, plants cannot use it to grow.
(D) In many hot deserts, the wind has blown away the sand, leaving bare rock, boulders, and gravel.