下列大小关系正确的是 （   ）

    Have you ever planted a few trees on Tree Planting Day? Each year, millions of people, both 1, plant a lot of trees. But this may not be the best way to make your home a 2 place.
    Last week we visited a park in Hebei. We were3 to find most of the trees had been burned. The workers told us that the trees 4soon after they were planted because they weren't watered well enough. 5 workers burned them and cleaned the place for 6 trees to be planted this year.7 a card found in one of the dead trees, a student wrote,”I hope this tree will grow up with me to 8 the backbone (栋梁) of our country.” The workers said that the survival (存活) of the trees was really more important than 9 trees were planted.
    Some people in Beijing now have a new idea that they can donate (捐赠) some money and let professional (专业人士) plant and 10 the trees.

阅读《李贺作诗》，完成后面小题。

       李贺七岁能辞章，韩愈、皇甫湜①始闻未信，过其家，使贺赋诗，援笔辄就如素构②，自名曰《高轩过》，二人大惊，自是有名。

       每旦日出，骑弱马，从小奚奴③，背古锦囊，遇所得，书投囊中。未始先立题然后为诗，如他人牵合④程课⑤者，及暮归，足成之。非大醉、吊丧日率如此。过亦不甚者。母使婢探囊中，见所书多，即怒曰：“是儿要呕心乃已耳！”

      【注释】①皇甫湜（shí）：当时著名文人。②素构：早就构思好的。③小奚奴：带着小童仆。④牵合：牵强符合。⑤程课：固定的格式。

如图，小明晚上由路灯A下的点B处走到点C处时，测得自身影子CD的长为1米，他继续往前走3米到达点E处（即CE=3米），测得自己影子EF的长为2米，已知小明的身高是1.5米，那么路灯A的高度AB是（　　）

先填出成语中所缺的字，然后解释。

____不相识   莫____ 其妙   痛心____ 首

无____于事   别____ 匠心   错____ 复杂