在我国，引起咯血的首要病因（）
A.肺淤血
B.二尖瓣狭窄
C.肺结核
D.支气管肺瘤
E.肺栓塞
参考答案：C
阅读短文，判断对(√)错(×)。
I am a girl. My name is Jenny. I am fifteen. I am a student, I like to play with my ball. In the morning, I go
to school. In the afternoon, I finish school at three-thirty. I walk home. After supper, I do my homework.
( ) 1. Jenny is twenty-five.
( ) 2. Jenny likes to play with her doll.
( ) 3. In the morning, Jenny does her homework.
( ) 4. Jenny finishes school at three-thirty.
在Access 2010中，有哪几种创建表的方法？
