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近年来,我国房地产业发展迅速,越来越多的居民乔迁新居,居住条件和环境条件显著改善。请读下图,运用以下公式及相关知识回答(1)-(3)题。 ①某地正午太阳高度的大小:H=90°-∣φ-δ∣式中:H为正午太阳高度;φ为当地纬度,取正值;δ为太阳直射点的纬度,当地夏半年取正值,冬半年取负值。 ②tan35°≈0.7     tan45°≈1      tan60°≈1.732 (1)房地产开发城市(北纬30°)建了两幢商品住宅楼(上图),某户居民买到了北楼一的一套房子。请问,该房子一年中正午太阳光线被挡住的时间大约是 A.1个月         B.3个月       C.6个月         D.9个月 (2)为避免纠纷,房地产开发商在建楼时,应该使北楼所有朝南房屋在正午时终年都能被阳光直接照射。那么在两幢楼房间距不变的情况下,的高度最高约为 A. 20米         B. 30米       C. 40米         D. 50米 (3)若其中某房主欲安置一台太阳能热水器,为了获得最多的太阳光热,提高利用效率,需根据太阳高度的变化随季节调整倾角,那么日照图与热水器安置方式不合理的是
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【多选题】矛盾的同一性在事物发展中的作用表现在
A.
矛盾双方互相依存,处于矛盾统一体中,提供事物得以存在和发展的条件
B.
矛盾双方互不联系
C.
矛盾双方互相对立
D.
矛盾双方相互包含,使矛盾双方相互吸取有利于自身的因素而得到发展
E.
矛盾双方相互贯通,规定了事物发展的基本趋势和方向
【多选题】矛盾的同一性在事物发展中的作用表现在( )
A.
同一性是事物存在和发展的前提
B.
使矛盾双方相互吸取有利于自身的因素,在相互作用中各自得到发展
C.
为对立面的转化、事物的质变创造条件
D.
规定着事物转化的可能和发展的趋势
E.
矛盾着的对立面相互排斥、相互分离
【简答题】阅读理解。 Jim suffered heart problems. In conversation he expressed little joy and it seemed that his life was drawing to a close. When his heart problems led to operation, Jim went through it successfull...
【简答题】阅读理解。 Jim suffered heart problems. In conversation he expressed little joy and it seemed that his life was drawing to a close. When his heart problems led to operation, Jim went through it successfull...
【简答题】阅读理解 Jim suffered heart problems.In conversation he expressed little joy and it seemed that his life was drawing to a close. When his heart problems led to operation, Jim went through it successfully,...
【简答题】阅读理解。 Jim suffered heart problems. In conversation he expressed little joy and it seemed that his life was drawing to a close. When his heart problems led to operation, Jim went through it successfull...
【简答题】阅读理解 Jim suffered heart problems. In conversation he expressed little joy and it seemed that his life was drawing to a close. When his heart problems led to an operation, Jim went through it successfu...
【简答题】阅读理解 Jim suffered heart problems. In conversation he expressed little joy and it seemed that his life was drawing to a close. When his heart problems led to operation, Jim went through it successfully...
【单选题】妇女一生各个阶段中,哪个阶段历时最长
A.
新生儿期
B.
幼儿期
C.
青春期
D.
性成熟期
E.
更年期
【多选题】矛盾的同一性在事物发展中的作用表现在( )
A.
矛盾双方在相互依存中得到发展
B.
矛盾双方相互吸收有利于自身发展的因素
C.
规定事物转化的可能和发展趋势
D.
限制事物自身的发展
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