自然景观与动植物词汇 — 英语填空题
题目
根据句子提示，用本单元所学自然景观与动植物词汇补全句子。1. Water flows down from a high cliff(悬崖); we call it a ___. 2. A ___ is a low area between two hills or mountains. 3. Birds build nests(巢) in a tall ___ with a thick wooden trunk. 4. A ___ is a large area of sand where it hardly ever rains.