,1,3,4,()
A.1
B.5
C.6
D.8
参考答案:A
解析:
=62,=5-1,1=40,3=31,4=22,(1)=13。
阅读短文,判断正(T)误(F)。
My name is Perry. I am ten years old. I have a big family, my grandparents, my father, my mother and I.
My grandparents are old but healthy. Their favourite food is vegetables. My father is strong. He likes pork and
bread. My mother is pretty. She likes hamburgers and juice. We all don't eat many candies (糖果). Because
they're not good for teeth.
( ) 1. There are four people in Perry's family.
( ) 2. Perry's grandparents like vegetables.
( ) 3. Perry's father likes pork and bread.
( ) 4. Perry's mother is pretty.
( ) 5. We all don't eat many candies. Because we don't like candies.
普大型心影可见于()。
A.二尖瓣狭窄
B.主动脉瓣关闭不全
C.扩张型心肌病
D.缩窄性心包炎
E.心脏肿瘤