题目内容：

These days when someone says a computer has a bug (小虫子) in it, usually they mean that there’s a problem with one of its programs. Maybe your computer crashed when you were in the middle of a game.1.

But back in the early days of computers, a woman named Grace Hopper was part of a team that discovered the very first computer bug.

2. She had been invited to help program a new computer, the job of which was to quickly deal with the math problems ships used to find their way.3. Then it translated the patterns of holes into the math problems it was supposed to solve.

One afternoon in 1947 Hopper and her team were running a program. But the computer wasn’t giving them the right results.4. They finally ended up taking the computer apart, looking for problems. What did they find? It was a moth (飞蛾)! The moth was blocking some of the holes in the paper—5. Some people think Hopper was the first person to use the word “debug” to mean “get rid of the problems in a computer”.

A. What could be wrong?

B. Hopper was a mathematician.

C. Who had operated the computer?

D. Hopper was a hardworking scientist.

E. She thought it was funny that it was a real one.

F. Or you got an error message when you tried to go to a website.

G. The computer worked by reading instructions from a long piece of paper with holes in it.