diff --git a/SICP/index.tm b/SICP/index.tm
index 0f4edb6..61c33c5 100644
--- a/SICP/index.tm
+++ b/SICP/index.tm
@@ -28,7 +28,7 @@
 
     \<#8BB2\>\<#4E49\>\<#FF1A\><hlink|\<#4EA4\>\<#4E92\>\<#5F0F\>\<#8BB2\>\<#4E49\>05|https://gitee.com/XmacsLabs/interactive-sicp/raw/main/course05.tm>
 
-    \<#8BFE\>\<#4EF6\>\<#FF1A\>\<#5E7B\>\<#706F\>\<#7247\>05
+    \<#8BFE\>\<#4EF6\>\<#FF1A\><hlink|\<#5E7B\>\<#706F\>\<#7247\>05|slide05.tm>
 
     \<#4EE3\>\<#7801\>\<#FF1A\><hlink|\<#4EE3\>\<#7801\>\<#6E05\>\<#5355\>05|code05.tm>
 
diff --git a/SICP/slide05.tm b/SICP/slide05.tm
new file mode 100644
index 0000000..1eccd16
--- /dev/null
+++ b/SICP/slide05.tm
@@ -0,0 +1,124 @@
+<TeXmacs|2.1.2>
+
+<style|<tuple|beamer|no-page-numbers|chinese|python>>
+
+<\body>
+  <\hide-preamble>
+    <assign|dfn|<macro|x|<strong|<arg|x>>>>
+  </hide-preamble>
+
+  <screens|<\shown>
+    <tit|\<#96F6\>\<#57FA\>\<#7840\>SICP\<#FF1A\>\<#7B2C\>5\<#8BFE\>>
+
+    <\wide-tabular>
+      <tformat|<cwith|2|-1|1|-1|cell-height|40px>|<cwith|2|-1|1|-1|cell-vmode|exact>|<table|<row|<\cell>
+        <very-large|<\sectional-normal-bold>
+          \<#7F16\>\<#7A0B\>\<#7684\>\<#57FA\>\<#672C\>\<#539F\>\<#7406\>
+        </sectional-normal-bold>>
+      </cell>|<\cell>
+        <very-large|<\sectional-normal-bold>
+          Elements of Programming
+        </sectional-normal-bold>>
+      </cell>>|<row|<\cell>
+        \<#8868\>\<#8FBE\>\<#5F0F\>
+      </cell>|<\cell>
+        Expressions
+      </cell>>|<row|<\cell>
+        \<#547D\>\<#540D\>\<#4E0E\>\<#73AF\>\<#5883\>
+      </cell>|<\cell>
+        Naming and the Evironment
+      </cell>>|<row|<\cell>
+        \<#7EC4\>\<#5408\>\<#5F0F\>\<#7684\>\<#6C42\>\<#503C\>
+      </cell>|<\cell>
+        Evaluating Combinations
+      </cell>>|<row|<\cell>
+        \<#590D\>\<#5408\>\<#51FD\>\<#6570\>
+      </cell>|<\cell>
+        Compound Procedures
+      </cell>>|<row|<\cell>
+        \<#51FD\>\<#6570\>\<#5E94\>\<#7528\>\<#7684\>\<#4EE3\>\<#6362\>\<#6A21\>\<#578B\>
+      </cell>|<\cell>
+        The Subsitution Model for Procedure Application
+      </cell>>|<row|<\cell>
+        \<#6761\>\<#4EF6\>\<#8868\>\<#8FBE\>\<#5F0F\>\<#548C\>\<#8C13\>\<#8BCD\>
+      </cell>|<\cell>
+        Conditional Expressions and Predicates
+      </cell>>|<row|<\cell>
+        \;
+      </cell>|<\cell>
+        \;
+      </cell>>|<row|<\cell>
+        \<#7EBF\>\<#6027\>\<#9012\>\<#5F52\>\<#548C\>\<#8FED\>\<#4EE3\>
+      </cell>|<\cell>
+        Linear Recursion and Iteration
+      </cell>>|<row|<\cell>
+        \<#6811\>\<#5F62\>\<#9012\>\<#5F52\>
+      </cell>|<\cell>
+        Tree Recursion
+      </cell>>|<row|<\cell>
+        \<#589E\>\<#957F\>\<#7684\>\<#9636\>
+      </cell>|<\cell>
+        Orders of Growth
+      </cell>>|<row|<\cell>
+        \<#6C42\>\<#5E42\>
+      </cell>|<\cell>
+        Exponentiation
+      </cell>>|<row|<\cell>
+        \<#6700\>\<#5927\>\<#516C\>\<#7EA6\>\<#6570\>
+      </cell>|<\cell>
+        Greatest Common Divisors
+      </cell>>>>
+    </wide-tabular>
+  </shown>|<\hidden>
+    <tit|\<#672F\>\<#8BED\>\<#56DE\>\<#987E\>>
+
+    <\itemize>
+      <item>\<#5E94\>\<#7528\>\<#4E00\>\<#4E2A\>\<#51FD\>\<#6570\>\<#7684\>\<#4EE3\>\<#6362\>\<#6A21\>\<#578B\>\<#FF1A\>
+
+      <\itemize>
+        <item>\<#5E94\>\<#7528\>\<#5E8F\>\<#6C42\>\<#503C\>
+
+        <item>\<#6B63\>\<#5219\>\<#5E8F\>\<#6C42\>\<#503C\>
+      </itemize>
+
+      <item>\<#9012\>\<#5F52\>\<#7684\>\<#8BA1\>\<#7B97\>\<#8FC7\>\<#7A0B\>
+
+      <item>\<#8FED\>\<#4EE3\>\<#7684\>\<#8BA1\>\<#7B97\>\<#8FC7\>\<#7A0B\>
+
+      <item>\<#9012\>\<#5F52\>\<#51FD\>\<#6570\>\<#7684\>\<#8BA1\>\<#7B97\>\<#8FC7\>\<#7A0B\>\<#4E0D\>\<#4E00\>\<#5B9A\>\<#662F\>\<#9012\>\<#5F52\>\<#7684\>\<#FF0C\>\<#4E5F\>\<#6709\>\<#53EF\>\<#80FD\>\<#662F\>\<#8FED\>\<#4EE3\>\<#7684\>\<#3002\>
+    </itemize>
+
+    \;
+
+    <\quote-env>
+      <hlink|\<#77E5\>\<#4E4E\>\<#7528\>\<#6237\>\<#9AD8\>\<#82F1\>\<#607A\>|https://www.zhihu.com/question/21056295/answer/17030255>\<#FF1A\>
+
+      \<#6B63\>\<#5219\>\<#7684\>\<#82F1\>\<#8BED\>\<#539F\>\<#6587\>\<#662F\>regular\<#FF0C\>\<#53EF\>\<#4EE5\>\<#7406\>\<#89E3\>\<#4E3A\>\<#6709\>\<#89C4\>\<#5F8B\>\<#7684\>\<#FF0C\>\<#6709\>\<#89C4\>\<#5219\>\<#7684\>\<#3002\>\<#5728\>\<#82F1\>\<#8BED\>\<#91CC\>\<#9762\>\<#88AB\>\<#63CF\>\<#8FF0\>\<#4E3A\>regular\<#7684\>\<#5BF9\>\<#8C61\>\<#5176\>\<#5B9E\>\<#662F\>\<#6BD4\>\<#8F83\>\<#7B80\>\<#5355\>\<#7684\>\<#FF0C\>\<#5BB9\>\<#6613\>\<#638C\>\<#63E1\>\<#7684\>\<#5BF9\>\<#8C61\>\<#3002\>\<#6BD4\>\<#5982\>\<#8BF4\>\<#6B63\>\<#5219\>\<#8BED\>\<#8A00\>\<#53EA\>\<#6709\>\<#51E0\>\<#6761\>\<#7B80\>\<#5355\>\<#7684\>\<#5B9A\>\<#4E49\>\<#FF0C\>\<#9664\>\<#4E86\>\<#539F\>\<#5B50\>\<#FF08\>atom\<#FF09\>\<#7684\>\<#5B9A\>\<#4E49\>\<#5C31\>\<#662F\>\<#5404\>\<#79CD\>\<#8FDE\>\<#63A5\>\<#FF08\>concatenation\<#FF09\>\<#548C\>\<#6C42\>\<#5E76\>\<#FF08\>union\<#FF09\>\<#FF0C\>\<#5E76\>\<#4E14\>\<#53EF\>\<#4EE5\>\<#7B80\>\<#5355\>\<#7684\>\<#7528\>\<#786E\>\<#5B9A\>\<#72B6\>\<#6001\>\<#6709\>\<#9650\>\<#81EA\>\<#52A8\>\<#673A\>\<#8868\>\<#8FBE\>\<#FF1B\>\<#76F8\>\<#5BF9\>\<#800C\>\<#8A00\>\<#FF0C\>\<#4E0A\>\<#4E0B\>\<#6587\>\<#65E0\>\<#5173\>\<#4EE5\>\<#53CA\>\<#4E0A\>\<#4E0B\>\<#6587\>\<#76F8\>\<#5173\>\<#8BED\>\<#8A00\>\<#5C31\>\<#8981\>\<#590D\>\<#6742\>\<#7684\>\<#591A\>\<#4E86\>\<#FF0C\>\<#9700\>\<#8981\>\<#4E0B\>\<#63A8\>\<#81EA\>\<#52A8\>\<#673A\>\<#548C\>\<#7EBF\>\<#6027\>\<#6709\>\<#9650\>\<#81EA\>\<#52A8\>\<#673A\>\<#6765\>\<#8868\>\<#793A\>\<#4E86\>\<#3002\>
+    </quote-env>
+  </hidden>|<\hidden>
+    <tit|\<#589E\>\<#957F\>\<#7684\>\<#9636\>\V<math|\<Theta\>>\<#8BB0\>\<#6CD5\>>
+
+    <\definition>
+      \<#4EE4\>n\<#662F\>\<#4E00\>\<#4E2A\>\<#53C2\>\<#6570\>\<#FF0C\>\<#4F5C\>\<#4E3A\>\<#95EE\>\<#9898\>\<#89C4\>\<#6A21\>\<#7684\>\<#4E00\>\<#79CD\>\<#5EA6\>\<#91CF\>\<#FF0C\>\<#4EE4\><math|R<around*|(|n|)>>\<#662F\>
+    </definition>
+  </hidden>|<\hidden>
+    <tit|\<#6C42\>\<#5E42\>\<#7684\>\<#65F6\>\<#7A7A\>\<#590D\>\<#6742\>\<#5EA6\>>
+
+    \;
+  </hidden>|<\hidden>
+    <tit|\<#6700\>\<#5927\>\<#516C\>\<#7EA6\>\<#6570\>>
+
+    \;
+  </hidden>>
+</body>
+
+<\initial>
+  <\collection>
+    <associate|info-flag|minimal>
+    <associate|marked-color|pastel yellow>
+    <associate|page-medium|beamer>
+    <associate|page-screen-margin|false>
+    <associate|par-columns|1>
+    <associate|preamble|false>
+  </collection>
+</initial>
\ No newline at end of file