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???2016?????????????????
???2016????????????????
2016????????????????????????
??????????16????1~10??????3??11~16??????2???42???
??????????4???????3???12??? 17?6.9610 18?119?
5
3?
20?55
??????????6?????66??? 21??? ?1?5?4=
15-4
?=055
3?
?2?
1x-2?=1 xx
4?
1??x?2?= x6? 1?x?2=x ?2x=?3
X=
3
2
8? ????X=
3
?????0 2
9? ???X=
3
?????? 2
10?
3?
?2? ??????????????????
?????????????????????? 5? ?3????????????x? 2+4+x +2x=4850?
X=662=12
???????????6???????????12? ? ?23??1????ABCE????????
?????D???AC????BE=2BD ?AD=CD,DE=BD
????ABCE?????? 4? ( 2 )?????ABCE?????? ?CE=AB
??MEC=?EMC ?CM=AB
??CMB=?CAB=90?MNC=?ANB ??ABN??MCN 9?
?
10 1
1
2
10? 24??1?m=2,S?AOB=8? 2? ?2???MN??????y?
k
????D x
k
??k=?2 x
k
??k=2 x
?ND:DN=1:3??D(?1?2)???y?
?ND:DN=3:1??D(1?2) ???y?
7?
?3?E1(?1?4)F1, (1??4)?E2(?4?1)F2?4??1)
11?
?2???ACB=?DCE
??ACE=?BCD ?
CDBCn
== CEACm
??ACE??BCD ?
BDn
=AEm
3
?
8?
?
5
9?
?
4
?
2
?
2 11? 3
?????
?4??m=6,n=42, ?CE=3?CD=22,AB=
AC2?BC2=2
??=90????O?AC?????1? ?Rt?ABC??
BD=BC2?CD2=(42)?(22)=2
??=90+?ACB????=90????O?BC?????2? ??E?EM?AB?????M????M? ?BC?AB?
????BCEM???? ?BM=EC=3?ME=42 ?AM=5 ?AE=
2
2
AM2?ME2=57
???2??
BD2= ? AE3
?
BD=
2 3
26????
?1?????????????20+x??? ??????????400-10x? 2? ?2?????????y?? ?????y=?20+x??400-10x10x+200x+8000 5? ?y=8000?????10x+200x+8000=8000
2
2
? ?
?=?
??x1=0?x2=20?
??????60??80?? 9????
?1????20?? 10? ?2???????????40m-2000??? 11? ?????
?1????????????y2??????z?? ?????y2=40100-?30-z??50+5z?? y2=5?z-10?2+2000?
z=10????????2000???? ?2?y2=40m-?30-z??50+5z?? y2=5?z-10?2+40m-2000? ???
?m???????100?m?300 12? ????w????6000?? 14? ?????
???m=500-?400-10x?=100+10x??100?m?300
??????????40?100+10x?-2000=2000+400x? ?????w? W=?20+x??400-10x?-?2000+400x?=-10?x+10?2+7000 ??0?x?20????x=0?????w????6000??
2016???????????????(?)
????????
?I (?????80??
1-5. ACCAB
6-10. BCAAB
11-15. ACCAB
16-20.
ABBCA
21-25. ABCBB ADBCD
41-45. ACBCA
46-50. DCABD
51-55. DCBAB
56-60.
26-30. ABDAC
31-35. BDCBC
36-40.
ABDCB
61-65. BADCC
?II???????40??
VIII.66. ten past eight / eight ten / 8:10
68. enjoy / watch / see
67. wonderful 70. pay attention to
69. dining
IX? 71. look good 72. By planning your / our / my future properly.
73. What separates the winners from the losers is that the winners learn to focus on their
goals.
/ The winners learn to focus on their goals. 74. Be clear about the power of focus.
75. ??????????/??????/?/????? ???????????????????????)
X?76. realize / realise written
77. memories
78. lovely
79. through
80.
???2016???????????????
?2016?????????????????
?????http://www.850500.com/news/61956.html
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发表于 2019-9-13 23:46:11