题干

2017年8月8日21时19分,四川省阿坝州九寨沟县(北纬33.2度,东经103.82度)发生7.0级地震,震源深度20公里。四川省物价部门针对灾区灾后蔬菜价格可能出现较大幅度上涨的问題,紧急启动主要蔬菜品种临时储备和应急调运计划, 加大外采力度,以便稳定灾区蔬菜市场价格。这一措施能取得成效主要得益于它能改变市场上蔬菜的(    )

A:上市时间

B:价值量

C:供求关系

D:使用价值

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答案(点此获取答案解析)

C

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完形填空

    My 4-year-old son now enjoys posting letters. He has formed the 1 of drawing pictures, writing his name on them, and then  2 the artwork in an envelope. He then insists on 3 his handwork to the neighbors, and a mail box he 4 belongs to the elderly couple who live next door. To be 5, I didn't think much of it, but I had 6 to warn my neighbors of the drawings 7 appearing in their letterboxes—I just didn't have the 8 to do so, because I was a little busy recently.

    On Tuesday of last week, I was walking down to school to collect my son when I 9 Mary, my elderly neighbor, 10 at her mail box. She said, “Jodie, is it your little son that has been posting items in my letterbox to me?” I was at once 11, “Oh yes, Mary, it is. I'm sorry. I meant to tell you…” She cut me off, “Jodie, I just love his mail. I've 12 every item he has sent. You don't know how much 13 the letters has made my day. I just love them.” While I was walking down to school after our 14, many thoughts came to me. Mary doesn't have a lot to fill her days, 15 she was a mother to a number of children herself who receives fairly regular visitors. The small 16 of getting some mail—pictures drawn by the hand of a young child—has brought 17 to her days, just as my visit to my grandparents does.

    I have decided that my son should 18 this practice. He should also start sending some items to his grandparents in Perth as well. It will most 19 make their day.

    It's doing the little, simple things that can often make a big 20 in someone's life.