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Text{{/B}} All over the world, forests are safeguarding the health of the planet itself. They do this {{U}} (26) {{/U}} protecting the soil, providing water and {{U}} (27) {{/U}} the climate. Trees {{U}} (28) {{/U}} soil to mountainsides. Hills {{U}} (29) {{/U}} the trees have been felled lose 500 times as {{U}} (30) {{/U}} soil a year as those with trees. Trees catch and {{U}} (31) {{/U}} rainwater. Their leaves break the impact {{U}} (32) {{/U}} the rains, robbing them of {{U}} (32) {{/U}} destructive power. The roots of trees allow the water to go into the soil, {{U}} (34) {{/U}} gradually releases it to flow down rivers and refill ground-water reserves. Where there are no {{U}} (35) {{/U}}, the rains run in sheets of water off the land, {{U}} (36) {{/U}} th A. covered B. occupied C. settled D. fixed [单项选择]还贷免息不能逆程序操作,以下对还贷免息的程序描述不正确的是()
A. 经内部审批以后,再由借贷双方签订书面的还贷免息协议 B. 签订协议以后,再由借款人按协议履行还本付息的义务 C. 借款人按协议约定履行还本付息义务后免除借款人剩余贷款利息 D. 将内部的审批文件作为还贷免息的书面协议送达给借款人 [单项选择]支气管扩张()
A. 胸片大片致密影呈肺叶或肺段分布 B. 胸片大片状阴影内有空洞,液平 C. 胸片有空洞形成,壁较厚,内壁凹凸不平 D. 两肺纹理增强呈卷发样阴影 E. 有空洞形成,同侧或对侧有小片状条索状阴影 [简答题]哪些用户抄表例日应放在同一天?
[单选题]变压器主要改变()
A.频率 B.电压 C.功率 [简答题]中药制剂生产中应采取哪些防止交叉污染的措施?
[单选题]关于农作物,下列对应错误的是( )。
A.豆类、薯类——粮食作物 B.花生、向日葵——经济作物 C.西红柿、青梅——蔬菜作物 D.玉米、紫云英——饲料作物 [多选题] 下列那些因素对钢筋混凝土梁的抗剪承载能力有影
响?( ) A.混凝土强度, B.主筋保护层厚度, C.箍筋间距, D.箍筋直径 [判断题]灭火救援组织指挥程序是:搜集掌握现场情况,启动灭火救援预案,调集增援力量,下达作战指令。( )
A.正确 B.错误 [单项选择]已知某商品流通企业第15个周期时,采用二次移动平均数法,取a15=47,b15=3,则预测第20周期的销售量为( )吨。
A. 50 B. 62 C. 141 D. 44 [单选题]30.影响高层建筑火灾发展蔓延的因素多,不包括。
A.有火风压.烟囱效应 B.热对流.热辐射 C.热传导 D.爆燃.风力 [单项选择]臭氧的作用机制不包括()
A. 氧化髓核内的蛋白多糖 B. 抗感染作用 C. 抑制前列腺素、缓激肽及致痛复合物的合成与释放 D. 镇痛作用 E. 杀菌作用 [简答题]试述TMJ-312型调压器的工作原理?
[判断题]噪声对人体的影响是全身性的、多方面的。
A.正确 B.错误 [多选题]牵引供电停电作业时,专业作业人员(包括所持的机具、材料、零部件等) 与周围带电设备的距离不得小于下列规定:330kV为5000mm;220kV为3000mm;11OkV为( )m;25kV和35kV为( )m;10kV及以下为700mm。
A.2.5 B.2 C.1.5 D.1 [多选题]施工合同执行者进行合同跟踪的依据()。
A.合同订立前签署的意向书 B.合同以及依据合同而编制的各种计划文件 C.原始记录、报表、验收报告等各种实际工程文件 D.管理人员对现场巡视、质量检查了解的情况 [单选题]钢筋冷拉时沿线两侧()m范围内为危险区,一切人员和车辆不得通行。
A.3.5 B.3 C.2.5 D.2 [单项选择] 以下关于保险产品生命周期的说法中,正确的是()。 ①在投入期,保险公司的费用多,风险相对集中,承保量小 ②在成长期,保险公司的经营费用上升,利润开始下降 ③在成熟期,保险公司的销售增长率开始下降,利润稳定但有下降趋势 ④在衰退期,保险公司的销售量大幅萎缩,利润减少
A. ①②③ B. ①②④ C. ①③④ D. ①②③④ [单选题]下列哪种寄生虫感染后,成虫寄生在人或动物的静脉血管中()
A.日本血吸虫 B.肝片吸虫 C.姜片吸虫 D.华支睾吸虫 [单选题]若胸腔闭式引流管从胸腔滑脱,正确的处理的方法是( )
A.密切观察,暂不处理 B.捏紧导管 C.给病人吸氧 D.将引流管重新插入伤口 E.用手捏闭放置引流管口处皮肤 [单项选择]甲、乙签订了一项家具买卖合同,合同约定由甲先将家具运输到乙的营业地,乙于家具到达之日起3日内缴付货款,但甲在履行前通过其他途径得知,乙的经营发生严重的财务困难,应该没有足够的流动资金支付价款,此时甲可行使的是( )。
A. 同时履行抗辩权 B. 后履行抗辩权 C. 不安抗辩权 D. 撤销权 [多选题]消防救援人员必须()。
A.举止端正 B.谈吐文明 C.精神振作 D.姿态良好 [单选题]下面不属于自动化应急系统监控功能的是( )(5389)
A.告警信息的记录回放 B.控制外部接口 C.确认处理机的有效性 D.报告节点状态变化 [填空题]
Life on earth depends on the sun. Day after day we see its
light and feel its {{U}} (36) {{/U}}, but we do not often know or
{{U}} (37) {{/U}} the birth or the beginning of their {{U}} (38)
{{/U}}. Yet there are amount of {{U}} (39) {{/U}} things about the
sun. One is its distance from the earth. This is about ninety-three
{{U}} (40) {{/U}} miles. It is to us, a long distance. A {{U}} (41)
{{/U}} of this distance, even if it could be made, would take {{U}} (42)
{{/U}} hundred years even in the {{U}} (43) {{/U}} rocket.
The sun makes us feel heat, even at a distance of ninety-three million miles. This is not surprising. {{U}} (44) {{/U}}. But we receive only a small part of this heat. The total heat of the sun could melt a column of ice two and a quarter miles thick and ninety-three million miles high in one second. The brightness of the sun is equally astonishing. As we said earlier, we receive only a very small part of t 我来回答: 提交
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