按要求完成练习。
(1)密密的塔松像 。(补充句子)
(2)每到水势缓慢的洄水涡,都有鱼儿游过。(改成拟人句)
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(3)有哪一个春天的花园能比得过这时天山的无边繁花呢?(改成陈述句)
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(4)我们乘着船,来把玩三峡美景。(修改病句)
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(5)这些石钟乳和石笋,形状变化多端,再加上颜色各异,( )不比做什么,( )很值得观赏。(填上恰当的关联词)