diff --git a/2207/C语言同步练习/选择结构/1.c b/2207/C语言同步练习/选择结构/1.c
new file mode 100644
index 0000000..fa1fed8
--- /dev/null
+++ b/2207/C语言同步练习/选择结构/1.c
@@ -0,0 +1,33 @@
+#include <stdio.h>
+
+/*
+if(����){
+	�������(����Ϊ��ʱִ��) 
+}else{
+	�������(����Ϊ��ʱִ��) 
+}
+*/
+int main(void){
+
+	int x, y, z, t;//�����������ͱ���
+	//�������� ������1, ������2;
+	scanf("%d%d%d", &x, &y, &z);
+	if(x > y){
+		t = x;
+		x = y;
+		y = t;
+	}//ʵ��x��y�Ƚ� ������yλ�� 
+	if(y > z){
+		t = y;
+		y = z;
+		z = t;
+	}//ʵ��y��z�Ƚ� ������zλ�� zΪ���������������
+	if(x > y){
+		t = x;
+		x = y;
+		y = t;
+	}
+	printf("%d %d %d\n", x, y, z);
+	
+	return 0;
+}
diff --git a/2207/C语言同步练习/选择结构/1.exe b/2207/C语言同步练习/选择结构/1.exe
new file mode 100644
index 0000000..cbb8e18
Binary files /dev/null and b/2207/C语言同步练习/选择结构/1.exe differ
diff --git a/2207/C语言同步练习/选择结构/2.c b/2207/C语言同步练习/选择结构/2.c
new file mode 100644
index 0000000..e69de29