A. hand B. has handed C. handed D. was handing
50. The President was talking to all the department heads while a group of unexpected important clients had arrived for a talk with him.
A. when … were arriving B. as … had arrived
C. when … arriving D. when … arrived
Section 2: Reading Comprehension (50 Points, 70 minutes)
In this section you will find after each of the passages a number of questions or unfinished statements about the passage, each with four (A. B. C and D) suggested answers or ways of finishing. You must choose the one which you think fits best. Then mark the corresponding letter with a single bar across the square brackets on your Machine-scoring ANSWER SHEET.
Questions 51-55 are based on the following passage.
To Err Is Human
by Lewis Thomas
Everyone must have had at least one personal experience with a computer error by this time. Bank balances are suddenly reported to have jumped from $379 into the millions, appeals for charitable contributions are mailed over and over to people with crazy sounding names at your address, department stores send the wrong bills, utility companies write that they're turning everything off, that sort of thing. If you manage to get in touch with someone and complain, you then get instantaneously typed, guilty letters from the same computer, saying, "Our computer was in error, and an adjustment is being made in your account."
These are supposed to be the sheerest, blindest accidents. Mistakes are not believed to be the normal behavior of a good machine. If things go wrong, it must be a personal, human error, the result of fingering, tampering a button getting stuck, someone hitting the wrong key. The computer, at its normal best, is infallible.
51. The title of the writing "To Err Is Human" implies that