题目内容

文件系统中分配存储空间的基本单位是记录。 ( ) 对 ( ) 错

A. 对
B. 错

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A. 对
B. 错

A. My family has real problems.
B. My mother has cancer.
C. My sister is pregnant.
D. I lost my job.

A. Iris has a great smile.
B. Iris asks you questions about yourself.
C. Iris is a pleasure to be around.
D. Iris really listens when you talk.

A. I feel short of breath.
B. I’m getting dizzy and sweating.
C. There is a pain in my chest.
D. I may be having a heart attack.