人教版七年级上_生物与环境组成生态系统课件

1、九年级化学第一学期制作人：玛依拉 单位：库尔楚学校?尨 81尨? ?i8LiL?!?衸?衸 ?T衸Exr衸Exr ?faxaEaT E?衸Eafa?衸衸Eai(+)?衸Era?(?aT?E?)(-)?衸衸Eai ?T衸Exr ?faxaEaT ?衸Eafa? ?T衸Exr ?E? ?T?衸 ?E ?E B衸?=?衸 ?T衸Exr ?faxaEaT ?a?E?衸Eafa? ?rfaEr? ?fa?axa? E0 ? ?衸0 ? 9衸B ?Ta0E衸 ? xrB?衸0 BBr ?a?x ?axa?aE?f ?rfaEr? ?TaEa?x xa?衸0.?衸 衸Exr ?faxaEaT ?a?E?衸E

2、afa? ?rfaEr? ?fa?axa?衸 衸Exr ?faxaEaT ?a?E?衸Eafa? ?rfaEr? ?fa?axa?衸 ?T衸Exr ?faxaEaT ?a?E?衸Eafa? ?rfaEr? ?fa?axa? E0 ? ?衸0 ? 9衸B ?Ta0E衸 ? xrB?衸0 BBr ?a?x ?axa?aE?f ?rfaEr? ?TaEa?x xa?衸0.?衸 ?T衸Exr ?faxaEaT ?a?E?衸Eafa? ?a?x ?axa?aE?f ?rfaEr? ?TaEa?x ? ?衸0 0 ?Ea?x ?衸Eafa? ?ar9 ?x ? xa?a 衸Exr ?faxaEaT E?衸

3、Eafa? 衸 ?9? ?aB?衸0 ?衸Eafa?a ?xaar9 ?rfaEr? ? xa?a9 0 rTax? 衸Exr ?faxaEaT ?a?E?衸Eafa?a r?Er?r9 ?9a?l?0 ?x xa?a. 衸Exr ?faxaEaT ?a?E?衸Eafa?a r?Er?r9 ?9a?l?0衸Exr ?faxaEaT ?a?E?衸Eafa?a r?Er?r9 ?9a?l?0衸Exr ?faxaEaT ?a?E?衸Eafa?a r?Er?r9 ?9a?l?0衸Exr ?faxaEaT ?a?E?衸Eafa?a r?Er?r9 ?9a?l?0衸Exr ?faxaEaT ?a?E?衸E

4、afa?a r?Er?r9 ?9a?l?0衸Exr ?faxaEaT ?a?E?衸Eafa?a r?Er?r9 ?9a?l?0衸Exr ?faxaEaT ?a?E?衸Eafa?a r?Er?r9 ?9a?l?0r軨a訠Ea? ?a?aBa? ?a?aB衸 ?r ?faxaEaT ?衸Eafa? ?a?aar9 ?r ? ?x?衸0 1 ?r9 ?r ?f ?x?衸0 7 ?r9 ?怀a?axa?衸0 ?x?怀r0. ?i?i? ?i0? ?i?i?i? ?i?i?i?i樭w ?ii樭?1. 衸Exr ?faxaEaT E?衸Eafa? r?Er?r9 l?l?0 ?怀9?r舨1- ?r92-

5、?r93-?L?(? ?ii?i? ?L?) ?衸 ?T衸Exr?衸 ?T衸Exr ?r0T B ?a?E?衸衸Eai ?T15+2852. ?衸 ?l?l?l ?TaBa?aT+22?a?（He）+1028?衸?（Ne）+12282?a?a?B（Mg）+13283?aB衸r?（Al）+624?衸0Ef（C）+725?衸?（N）+826?aTf衸（O）+927E衸m（F）?衸?E（Ar）3. ?faxaEaT衸Exr ?a?E?衸Eafa? ?a9a?r舨 ?ara? ?91- ?fa?r9 ?衸Eafa? ?T ?r ?f ?x?衸0 2 ?ax ?r ?a怀EaT ?fa?r9 ?衸Eaf

6、a? ?T 8 ?ax a9? xrrBrf. +18288+1128?aE?（Na）1+22?a?（He）+1028?衸?（Ne）?衸?E（Ar）+12282?a?a?B（Mg）+13283?aB衸r?（Al）+624?衸0Ef（C）+725?衸?（N）+826?aTf衸（O）+927E衸m（F）+18288+1128?aE?（Na）1?尨? ?ii?i? ?i?L? ?i?i樭w ? L? ?i樭i?i?i?i樭w ?nn?n? ?i樭?i?尨? ?1?i樭i?i?w? ?i?i?n?n?iw ? ?w?樭w?w? ?w?樭w?i尨樭1?w? ?w?樭w?ii8i? 8（?i?i樭w 2）

7、r軨怀a?T ? xrB?a9衸9 xrrB?aE?0?a?9?E r?x 4 ?ax ?a軨af?T xaaaE?0?i8?inr?x 4 ?ax ?衸軨 ? ?i1?i?尨?aT9?E 4. ?a?a?B? ?aaraB? ?araT T ? ?B? ?a?aB衸 ?r ?a怀EaT ?fa?r9 ?衸Eafa? ?T ?r?a0 ?a? ?a?aT? B+11-+17-?aE? ?B衸E衸? ?B衸? 衸Eai ?T=?衸Eafa? ?T=11?衸衸Eai ?T=?衸Eafa? ?T=17?aT?E?aT?E?NaCl+11-+17-?aE? ?B衸E衸? ?B衸+11-+17-?aE?

8、 ?B衸E衸? ?B衸+11-+17-?aE? ?B衸E衸? ?B衸+11-+17-?aE? ?B衸E衸? ?B衸+11-+17-?a?9?E rf9l?l?l r? ? x?衸0!?a?9?E rf9l?l?l r? ? x?衸0 ?rB?E!?aE? ?B衸E衸? ?B衸?衸衸Eai ?T= ?衸Eafa? ?T=?衸衸Eai ?T= ?衸Eafa? ?T=11101718Ea0 ?a?Ea0 ?r0T B ?a?E?Ea0 ?a?Ea0 ?ai?rB ?a?E?Na+Cl-+11-+17-NaCl?i?i樭w ?i?i? ?i? i0 ?i?w? ?i? ?i1尨?ii ?i?尨?w ?

9、ii樭樭i?1. ?衸?i樭LiL? ?尨2. ?a?衸? ?El?衸? ?衸?f( ?i?i樭w ?尨?i? ?)( ?i?i樭w ?尨?i? ?)Xn n?B? ?Ta?r0?a?衸? ?E? ?T(?a9衸9 ?fr ?af?aE?0 ?衸Eafa? ?T n=1 ?x?衸0 xrB?a?r) ?衸? ?r0T B ?fr ?ai?rB ?a?E?44. B?衸? ?axxB ?軨l?l ?a?Er?a軨aEE? ?Ea0?xxB ?B?樭 ?衸 ?衸? ?i?衸EfaB ?ar?r舨?i? i? ?i1尨? ?i? i? ?1尨?r? ?aB? ?r? ?a?T 怀9 xa?衸0?af

10、Er?l?l?l?l?l?l?aT? ? ?衸0?aB衸B衸 ?9a?a?l?l.1?a?axxB ?aaraB? ?aaraT T ? ?a?axrr?a?r0 ( ).A?衸衸Eai ?T B. ?r ?a怀EaT ?fa?r9 ?衸Eafa? ?T C. ?衸Er? ?T D. ?衸 ?TaTTB2. ?9?衸 ?a?a?B? ?B衸 ?r?a0 ?xa?衸? ? 9衸軨 ( ) ?9?衸 xa?衸0.A衸Exr ?E? ?T B. ?衸Eafa? ?r9 ?T C. ?r ?a怀EaT ?fa?r9 ?衸Eafa? ?T D. ?E? ?E?x怀aB3. ? ?rB ?B? ?a?aB衸 ?T衸Exr ?xaEaT 3 r?x ?衸Eafa? ?ar9 ?E0 ?r ?a怀EaT r?r9 1 r?x ?衸Eafa? ?E0 0 ?a?B? 衸Exr ?E? ?T T?衸0( ).A5 B. 11 C. 1 D. 184. ?fax? 4 ?a? ?a?a軨aEE? ?l?l?l ?aTaB?aT ?rTT ?fax? ?aTE?9a?ar? ?Ta