单项选择题
| Educators know that teaching students
to write well is not easy. One problem is the amount of time needed to
(1) large (2) of work. So some companies
have developed computer programs. These can (3) student
writing much more quickly than a human can. Writing tests can also cost
(4) to (5) by computer than by
paper-and-pencil. These computer systems are known as e-raters. They use artificial intelligence to think in a way (6) teachers. In the state of Indiana, computer grading of a statewide (7) test began with a (8) of the system itself. For two years, both a computer and humans graded the student writing. Officials say there was almost no difference between the computer grades and (9) given by the (10) readers. Systems are also being used to grade writing in college classes. The computers (11) a few hundred (12) of student writing already graded by humans. Then the systems (13) new essays (14) those already examined. How do teachers feel about all this Many say machines can (15) the job (16) people can. A computer can find spelling and grammar mistakes. (17) these teachers say it can never really (18) what a writer is trying to say. (19) say a program cannot follow a thought or judge a humor (20) understand a beautifully expressed idea. |