药材狗脊表面的特征是（）
A.被粗刺
B.被光亮的金黄色茸毛
C.被棱线
D.被硬毛
E.密被排列整齐的叶柄残基及鳞片
参考答案：B
描述你自己。在横线上填上合适的单词。
My name is . I'm years old. My hair is (long, short). My eyes are
(blue, brown, black). I am (quiet, cute, thin, strong). I like (sports, music, computer, play).
I like eating (apples, bananas, oranges). I like Mom and Dad.
假设(AL)=74H，(CH)=38H，依次进行SUB AL，CH指令和DAS指令后，AL的值是( )。
A．0AEH
B．36H
C．3CH
D．14H
