题干

受中东、北非特别是利比亚局势动荡的影响,国际原油供应量减少。我国成品油市场也受到影响,华北、山东、华南、华东等地还出现汽柴优惠收紧现象,并且呈现一定幅度的拉涨趋势。2012年2月8日,我国汽、柴油价格每吨提高300元,90号汽油和0号柴油(全国平均)每升分别提高0.22元和0.26元。这说明(  )

A:供求关系决定价格,供不应求导致价格上涨

B:价值决定价格,商品的价值量大,其价格必然高

C:供求关系影响价格,供不应求会导致价格上涨

D:价值与供求关系都决定价格

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答案(点此获取答案解析)

C

同类题1

阅读下面短文, 从短文后各题所给的四个选项(A、B、C、D)中, 选出可以填入空白处的最佳选项。

    The day finally came, when I had to leave the warm home where I'd grown up. I ran to the back yard, as tears came up from my heart. Suddenly I 1 a hand rest on my shoulder. I looked up to 2  my grandfather. “It isn't 3 , is it, Billy?” he said softly.

    He gently 4  my hand in his, and then we walked, hand in hand, to the front yard, 5 a huge red rose-bush sat alone.

    “What do you see here, Billy?” he asked. I looked at the flowers, not knowing 6  to say, and then answered, “I see something soft and 7 ,  Grandpa.”

    He pulled me 8 . “It isn't just the roses that are beautiful, Billy. It's that special place in your heart that makes them so.” “Billy, I 9 these roses when my first son was born. It was my 10  of saying ‘thank you' to God. I 11 to watch him pick roses for his mother. Then, as a young man of only 20, a terrible war robbed him of his life.” Grandpa slowly stood up. “Never say good-bye, Billy. Never 12  to the sadness and the loneliness. Instead, I want you to remember the joy and the 13  when you first said hello to a friend.”

    A year later, my grandpa became very 14 . Then all members of the family were 15  back, and I returned to the old house. When it came to my 16 , I took his hand as 17  as he had once taken mine.

    “Hello, Grandpa,” I 18 . His eyes slowly opened and said, “Hello, my friend.” With a brief (短迅的) 19  he died. Suddenly, and truly, I knew what he had 20  about never saying good-bye — about refusing to give in to sadness.