根据短文内容判断正误，对的画“√”，错的画“×”。

      Mike is 9 years old. He is in Grade 3. He is excited today. He got 100 marks in his English test. He sings

and dances on his way home. Suddenly, he hits his head on the wall. His head hurts badly. He feels very sad.

He goes back home. His mother is doing housework. She's very angry when she sees Mike, " Where are your

eyes? " she shouts.

( ) 1. Mike is a student.

( ) 2. Mike does well in his English.

( ) 3. Mike feels excited because he got 100 marks in his English test.

( ) 4. Mike hurts his hand on his way home.

( ) 5. Mike's mother is very sad when she sees Mike.

循环系统疾病病人最常采用的无创性检查之一且对心律失常的诊断有肯定价值的检查为（）

A.心电图

B.动态心电图

C.心电图运动负荷试验

D.选择性心血管造影术

E.超声心动图