在保证正确率的基础上，他们要求74名大学生尽快完成一份计时的、一般知识测验。
They asked 74 university students to take a timed, easy general-knowledge quiz which they were asked to finish as quickly as possible without compromising accuracy.
思慧有一次在学校的乘法速算测验中拿了第二，蔡美儿一个星期让她每晚做20道题，拿秒表计时。
When Sophia came in second on a multiplication speed test at school, Chua made her do 20 practice tests every night for a week, clocking her with a stopwatch.
构建一个计时的数学测验游戏，在该游戏中，玩家必须在指定时间内回答四道随机的数学习题。
Build a timed math quiz game, where the player must answer four random arithmetic problems within a specified time.
构建一个计时的数学测验游戏，在该游戏中，玩家必须在指定时间内回答四道随机的数学习题。
Build a timed math quiz game, where the player must answer four random arithmetic problems within a specified time.
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