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对山洪防治应以小流域为单元进行综合治理,坡面汇水区应以生物措施为主,沟壑治理应以()为主。
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R企业因违约于2004年2月被一家客户起诉,原告提出索赔304000元。2005年1月20日法院作出终审判决,判决该企业自判决日30日内向原告赔偿228000元。在该企业2005年3月2日公布的2004年度的会计报表中,该赔偿金额应作为()。
下列各项关于特种车辆或特殊用途车辆的安全运行要求中不正确的是()。
Life on land probably began about 430 million years ago, though it has existed in the water for perhaps much as 3 000 million years. When we think of the first life on land, we probably think of strange animals coming out of the oceans, but, in fact, no animals could have been living if plants had not been on land first. Plants had to be on land before animals arrived. They supplied the first land animals with the surrounding and food necessary, since the plants are the only form. of life that
is able to get and store energy.
The first plants to exist out of the water were probably certain kinds of algae (海藻) which were followed by other plants that grew close to the ground and needed water in which to reproduce. Once their move to land had been made, however, evolution (进化) took place quickly. By the end of 100 million years, plants had developed their roots (根), and some had got tree-like forms since height was very important in gaining sunlight. About 300 million years ago, much of the world was covered with forests of huge trees. In most ways they were like modern trees. They had loots, leaves, wood, but mostly they had not developed seeds.
The main idea of the first paragraph is ______.
下列不属于申请《城市规划设计证书》必须具备的条件是()。
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