The room was so quiet that she could hear the _____ of her heart.

A. hitting    B. beating    C. tapping   D. knocking

The room was so quiet that she could hear the _____ of her heart.

　　A. hitting    B. beating    C. tapping   D. knocking

The room was so quiet that she could hear the _____ of her heart.

　　A. hitting    B. beating    C. tapping   D. knocking

—Are you familiar with her?

—No. I just made the ________ of her several days ago.

A. access　　　　　　　　　　　　　　　　　　　　　　　　　 B. acquaintance

C. acknowledgement　　　　　　　　　　　　　　　　 D. notice

She has waited for the guest for two hours and reached the ________ of her patience.

   A. limit           B. top              C. point             D. need