Other experts, though, say calculators have helped make mathematics more understandable to more students.They say calculators give students more time to understand and solve problems, and to develop a better sense of what numbers mean.That way, the reasoning goes, they can feel better about their abilities.

　　5．Which of the following calculation agrees with the question raised in the first paragraph?

　　A．100×4,100 　 B．100×4,1002

　　C．100×4,(100)2

　　D．100÷100×4

　　6．Three scientists at Texas Instruments invented

　　________.

　　A．the first electronic calculator

　　B．the calculator handle

　　C．the first calculator

　　D．the portable electronic calculator

　　7．We can infer from the passage that ________

　　in the past.

　　A．math teachers supported using calculators everywhere

　　B．using calculators in classrooms was under argument

　　C．students were not allowed to use calculator in tests

　　D．young students had to know how to use calculators

　　8．According to experts, calculators benefit students in many ways EXCEPT

　　________.

　　A．stopping them discovering ideas for themselves

　　B．providing them with answers to the questions

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