下列诗句中有咏莲的，也有咏菊的，其中咏莲的诗句是（　　）

①小荷才露尖尖角，早有蜻蜓立上头。

②荷花入暮犹愁热，低面深藏碧伞中。

③待到重阳日，还来就菊花。

④接天莲叶无穷碧，映日荷花别样红。

⑤秋丛绕舍似陶家，遍绕篱边日渐斜。

①实验材料必须是成熟的植物活组织细胞

②细胞液最好有颜色，便于观察和判断细胞质壁分离和复原的程度

③细胞液必须有颜色，否则不能发生质壁分离和复原实验

④外界溶液的浓度应适中，不能过低或过高

⑤外界溶液必须对细胞无毒害

⑥外界溶液的浓度无特殊要求，任何浓度均可以

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

    Once there lived a rich man ____ wanted to do something for the people of his town. But first he wanted to find out whether they ____ (actual) deserved his help.

    In the centre of the main road into the town , he placed____ very large stone. Then he ____ (hide) behind a tree and waited. Soon an old man came along with his cow.

    “Who put this stone in the centre of the road?” said the old man, but he did not attempt ____ (remove) the stone. ____,with some difficulty he passed around the stone and continued on his way. ____ man came along and did the same thing; then another came, and another. All of them complained about the stone but nobody tried to remove it. Late in the afternoon a young man came along. He saw the stone, ____ (say) to himself; “The night ____ (be)very dark. Some neighbors will come along later in the dark and will fall against the stone.”

    The he began to move the stone. He pushed and pulled with all his ____ (strong)to move it. To his amazement, he found a bag of money under the stone.