een already II. Cloze Test (10 points, 1 point for each item) 下列短文中有十个空白,每个空白有四个选项。请根据上下文要求选出最佳答案,并将答题卡的相应代码涂黑。 As temperatures rise and the polar ice caps melt, the race isC to unlock the treasures of the Arctic. This region is thought to contain one quarter of the world's untapped oil and gas B, and there's petition D them. America, Canada, Denmark and Norway have all staked territorial claims in the Arctic, and C has Russia. Three years ago, a Russian C planted a titanium flag D the ocean floor A the North Pole. It was a symbol of Moscow's A to protect what it sees as its national interest. In Moscow this week scientists, businessmen and politicians C Arctic nations will discuss co-operation, but they're also expected to push their countries' B in the region. 11. A. in B. at C.on D. off
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