Does she _____ a book that Black wrote?[ ]
A. haves
B. have
C. has
D. had
答案:B
水是生命之源,普通人每天大约需要摄入2L水,这些水约________kg;水还是神奇的“魔术师”,冬天“滴水成冰”、春天“冰雪消融”,从物态变化的角度看,水实际上是分别经历了_________和熔化的变化过程;美丽的勺湖之水宁静如“镜”,可以照见景物的倒影,“倒影”是由光的__________所形成的__________(选填“实像”或“虚像”。)
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