有关扩张型心肌病的特征，下述正确的是A．以心脏扩大为主 B．以_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

有关扩张型心肌病的特征，下述正确的是

A．以心脏扩大为主

B．以心肌肥厚为主

C．心尖部有隆隆样舒张期杂音

D．虽然经过适当治疗，心脏仍然不能缩小

E．心力衰竭时杂音轻，心力衰竭后杂音可明显增强

答案

参考答案：A

阅读理解

	Hello! My name is John Brown. I’m from England. I’m an English teacher. I’m in Beijing International School. My telephone number is 8523-3237. Zhang Hao, Alice and Yingzi are my students.
	I’m Zhang Hao. My English name is Peter. I’m eleven years old. I’m from Beijing. My telephone number is 8876-5342.
	Alice Brown is my name. I’m twelve. I’m from Canada. My mom is a teacher. My telephone number is 7342-6979.
	I’m Yingzi. I’m fourteen years old. I’m from Japan. 5673-6981 is my telephone number.

根据表格内容，选择正确答案。
小题1:Where is John Brown from?
A.

小题2:Peter is a       .
A. student          B. teacher          C. girl
小题3:Alice is a girl. Her telephone number is       .
A. 5673-6981          B. 7342-6979         C. 8876-5342
小题4:How old is Yingzi?
A.12.               B.13.               C. 14.
小题5:下面哪一项叙述是不正确的？
A. John Brown is an English teacher.
B. Zhang Hao is from China.
C. Alice is a teacher.

填空题

若arb真，则bra（），R就是非对称关系。