题干

为了测量调查对象每分钟的心跳次数,甲同学建议测量2分钟的心跳次数再除以2,乙同学建议测量10秒钟的心跳次数再乘以6.你认为哪位同学的方法更具有代表性(  )

A:甲同学

B:乙同学

C:两种方法都具有代表性

D:两种方法都不合理

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A

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Some Most Common Senior Year Mistakes

    ____You'd better find out how to avoid these common mistakes. Finding a balance between having fun and studying for your courses is a great way to start preparing for college, since you will be called upon to do this during your college years.

    Here we've listed some top mistakes students make so that you can make sure you don't make them.

    Skipping Classes

    Skipping classes could mean missing valuable information for the coming tests.____ As is known to all, information you'll need for your major in your college program may be covered during a high school lecture you miss.

    Forgetting to Study

    When you feel less motivated to study, remind yourself that every good grade gets you closer to finding a college that offers a great program in the major you want. Keep your eyes on the prize!

    ____ To stay on top of your assignments, calculate how long you think something will take you, and then double it. That way you'll have ample time to get your work done.

    Daydreaming about Your Future Too Much

    Your mind now might be wandering, thinking around about degrees, majors, possible careers, study abroad and many other things. These are all exciting future possibilities, but don't forget the here and now.____

    Failing to Use Available Resources

    Teachers know about fall the challenges you're facing.

    ____This help can be in the form of extra office hours, a review of topics covered, study guides, sample exams, or other tools to help you improve your grade. Take advantage of them.

A. Start preparing for college

B. Mismanaging Your Time

C. Your senior year of high school is a busy time

D. And don't forget to think ahead to university classes

E. Almost every high school senior makes some mistakes.

F. Spending too much time daydreaming could seriously limit those future plans You

G. And many of them are nice enough to offer extra help.