画笔，动态颜色前景背景抖动色相抖动饱和度抖动亮度抖动纯度抖动

辅音音标句子演示Polly wants a Pony.Look at the baby birds on the beach.Timmy's cat is keeping fit.But she likes to chase fat rats.Let's dance,Mr McDonald!Miss Daisy is dancing on the desk.Kelly has a cute cat,she calls it Kammy Koo.Go to get the big box,for my big dog.My name is snake.My skin is smooth and nice.zzz,zzz,zzz,I'm a busy bee.Shelly went shopping,to find a pair of shoes.Pleasure,pleasure,pleasure,what's your pleasure?Where is the cheese? The children have it on the beach.When Jack and Jill get a new toy,they jump and jump.Fanny picked four yellow flowers,for her father Frank.Mom loves you.We all love you very,very much!I think the thin cat is thirty-three.My father told my mother,"This way to the bay."My dad sells coats and hats,he said he might sell boots.Birds,birds,birds,where are you going?She tried and tried to catch the train.Are you dreaming?Brother Dragon?Heavy Henry has a house.Mr. Rat,Mr. Rat,I'm near the river.Little Lily loves to laugh and cry.Mother,mother,may I go down to the market?Nose,nose, I have a sensitive nose.Spring,spring,spring is coming!Willy bought Wilma a white rose.Let's play yo-yo in the yard.Don't forget to bring your yo-yo.  

注册开发者账号https://developer.apple.com/xcodexcode用于给苹果系统、iphone、ipad开发应用程序.dmj格式的安装程序只需要调整安装路径，其他默认。

画笔：杂色湿边喷枪，同一个点重复点击平滑-描边保护纹理-预设画笔时，保护纹理，使他们一致。

和6一样，辅音音标句子演示，show time 2

编译运行oc程序product-build/run生成与运行-调试快捷键：command+b，command-r，虚拟机中是ctrl键

从画笔选ps默认画笔，在画笔面板可以看到其预设和设置。画笔面板右上角按钮-载入-载入ps的画笔

20个常用的经典口语矩形。Let's ... 

图像合成，抠图磁性套索编辑-拷贝，内存中有到另一图上粘贴剪切、粘贴，粘到另一个图层中。合并拷贝：拷贝多层（能看到的图层）主要用于多媒体课件的制作

I'd like ...

运算符：算术：+ - * /（整除，取整数） %(取余，取模)关系：> >= < <= == !=逻辑:&& || !赋值逗号条件位操作求字节数指针特殊表达式：运算符连接起来的式子常量+变量+函数+运算符顺序：按运算符的优先级和结合性

自由变换：对图像整体或者局部旋转缩放变形选择区域-编辑-自由变换（ctrl+t）-自由变换框，按住shift，长宽比不变，不变形。鼠标放外围，旋转，可以输入旋转度数，固定控制点，缩放和旋转。ctrl+拖动角不选择区域，则对图层外形范围自由变换自由变换情况下可选择“变换”的选项“变换”斜切，移动一个控制点的变形效果。透视，移动一个控制点，相对的控制点也移动。建筑中用来做出透视效果。

I'm going to...take part in参加

if()     {}  if()      {}else      {} if()      {}else if()      {}else if()      {} 

NSDictiongary，提供键值对的集合dictionaryWithObjectsAndKeys：countobjectForKey---通过键找值。NSMutableDictionary可以动态添加和删除元素setObject：forKey：removeObjectForKeyremoveAllObjects 

It's...

switch(){   case 1:        语句1；        break；   case 2:         语句1；         break；    default：       语句n；       break；}

You'd better..give up 戒除；放弃keep it secret 保密

for(init_expression;loop_condition;loop_expression)    program statement; while(expression)    program statement;循环条件是boolean型变量、常量、表达式。循环体可能不执行。 do    program statement；while(expression);循环至少执行一次。 

Almost.Always.Anytime.Damn！Damn it！Deal.