题干

下面一组题只做一次笔算,其他的两题通过小数点移位来解决.

52×13=____

13×0.52=____

5.2×13=____

上一题 下一题 0.0难度 选择题 更新时间:2019-12-03 01:45:41

答案(点此获取答案解析)

676,6.76,67.6

同类题3

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    Next time a customer comes to your office, offer him a cup of coffee. And when you're doing your holiday shopping online, make sure you're holding a large glass of iced tea. The physical sensation (感觉) of warmth encourages emotional (情感的) warmth, while a cold drink in hand prevents you from making unwise decisions—those are the practical lesson being drawn from recent research by psychologist (心理学家) John A. Bargh.

    Psychologists have known that one person's perception (感知) of another's “warmth” is a powerful determiner in social relationships. Judging someone to be either “warm” or “cold” is a primary consideration, even trumping evidence that a “cold” person may be more capable (能干的). Much of this is rooted in very early childhood experiences, Bargh argues, when babies' sense of the world around them is shaped by physical sensations, particularly warmth and coldness.

    Feelings of “warmth” and “coldness” in social judgments appear to be universal. Although no worldwide study has been done, Bargh says that describing people as “warm” or “cold” is common to many cultures, and studies have found those perceptions influence judgment in dozens of countries.

    To test the relationship between physical and psychological warmth, Bargh conducted an experiment which involved 41 college students. A research assistant who was unaware of the study's hypotheses (假设), handed the students either a hot cup of coffee, or a cold drink, to hold while the researcher filled out a short information form: The drink was then handed back. After that, the students were asked to rate the personality of “Person A” based on a particular description. Those who had briefly held the warm drink regarded Person A as warmer than those who had held the iced drink.

    “We are grounded in our physical experiences even when we think abstractly (抽象的),” says Bargh.

同类题4

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Volunteer Opportunities

    Ring the bells

    The Salvation Army needs bell ringers for its annual Red Kettle Christmas Campaign. Two hour shifts begin on Nov.12 and run Mondays through Saturdays. Volunteers can contact Jim Evers at jimevers@usc.salvationarmy.org or at 764-0962, or sign up online at ringbels.org.

    Read to children

    Join the United Way and Child Care Aware in supporting the development and learning of young children. Volunteers are needed to spend 30 minutes a week reading to children and guiding related activities using literacy kits(识字工具包)provided by Childcare Aware of Eastern Kansas .A two-hour literacy training will be provided. To ensure continuity for the children in the program, we are asking that volunteers make a six-month commitment. Please contact Shelly at 865-5030, ext.301 or at volunteer@unitedwaydgco.org.

    Garden with a neighbor

    Douglas Country Housing Inc. is looking for volunteers to assist a senior man in need of help with an overgrown garden before winter arrives. One to two hours of your time will make a huge difference in someone's quality of life. No previous gardening experience is required. Please e-mail rsovista@ldcha.org or call 842-1533.

    Feed your friends

    Just food fights hunger in our community. Help Just Food kick off the holiday season by packing. Thanksgiving meal boxes for families in need. Every year Just Food provides Thanksgiving meals to families in Douglas Country that will otherwise go without. Your help is needed for distributing these meals in advance of Thanksgiving. Help is needed on the following days and times:

    9 a. m. –7 p. m. Monday, Nov. 21.

    9 a. m. –7 p. m. Tuesday, Nov. 22.

    The maximum number of volunteers is 15 at a time. To sign up, click here.