71. The title that best expresses the main idea is ____

1. How the Second Revolution in Surgery Comes Out
2. The Telesurgery Revolution
3. A Patient Was Saved
4. Dream Comes True

72. The italicized word "telesurgery" (Sentence 2, Para. 1) can be best explained as ____.

1. an operation done over a distance
2. an operation done on television
3. an operation demanding special skill
4. an operation demanding high technology

73. How long did it take the patient to resume her normal activity after the operation?

1. 24 hours.
2. 48 hours.
3. About a week.
4. Almost a month.

74. What is the major barrier to telesurgery?

1. Distance.
2. Advanced technology.
3. Delay.
4. Medical facilities.

75. The writer implies that ____.

1. difficult operation can be successfully performed all over the world now
2. compared to the "third revolution" in surgery, the first two are less important
3. all patients can be cured by a gall bladder-removal operation
4. a new breakthrough has been made in surgery

(Reference keys.)