A:①③
B:②④
C:①②
D:③④
假如你和王翔是同班同学,请根据下表所提供的信息,以My Good Friend为题写一篇60个词左右的短文,向你的朋友介绍一下王翔。所提供的信息尽量用上。
Name
Wang Xiang (a student)
From
Guangdong, China
Age
14
Look
tall, round face, big eyes
Family
father (an office worker),
mother (a nurse)
Favorite food
chicken
dinner
rice, fish and vegetables
燕共____画,瓜共____画。
已知点Ma,ba>0,b>0是圆C:x2+y2=1内任意一点,点Px,y是圆上任意一点,则实数ax+by-1( )
下列不能作为元素周期表中元素排列的顺序的依据是( )