My name is David Green. I am an English boy. My family are in Beijing. My father and mother work there. My father is an engineer( 工程师 ) and my mother is a teacher. I have a sister but no brothers. My sister and I are students of a middle school in Beijing. We love China. We have a nice house in Beijing. My family has a TV and a computer. My room is big. There is a bed, a desk and two chairs in it. My books are in my desk. I have a radio on my desk. There are some pictures on the wall. I like my room and I like these pictures very much, too.

阅读短文，判断正（ T ），误（ F ）

(    )1. There are four people in David’s family.

(    )2.Mr and Mrs Green have a son and a daughter.

(　　)３.David’s mother works in a school in Beijing .

(    )4.There are two desks and a chair in David’s room.

(    )5.There isn’t a radio on David’s desk.

室间隔缺损患者SBP为120mmHg室缺分流速度3m/s，肺动脉血流速度2m/s，其肺动脉压可能为

A．84mmHg

B．74mmHg

C．68mmHg

D．64mmHg

E．58mmHg