In England along a stretch of the north-ease coast which gently curves from Northumberland to the estuary of the river Tees, the

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问题     In England along a stretch of the north-ease coast which gently curves from Northumberland to the estuary of the river Tees, there was a spot, typical of many on that coast, where sea-coal was collected richly and effortlessly. This coal was a coarse powder, clean and brilliant. It seemed to bear little resemblance to the large, filthy lumps put onto the fire. Although it was coal, it was perfectly clean and it was silently deposited at high tide in a glittering carpet a kilometer long for the local community to gather up.
    The gear needed for sea-coaling expeditions was a curious and traditionally proven assortment which never varied from community to community along the entire north-east coastline. Sacks were essential to put the coal in, and string to tie the neck of each sack when it is full. A wooden rake was used to scrape the coal from the beach. The only alternative to the rake was a flat piece of board held in the hand. A flat, broad shovel to lift the raked coal into the bags, completed the portable hardware.
    But the most crucial item of equipment was a bicycle, a special kind of rusty, striped-down model which was the symbol of the sea-coaling craft. A lady’s bike was no good because it lacked a crossbar, and that was an essential element in transporting sea-coal. One full sack could be slung through the triangular frame of a man’s bike, another over the crossbar and, sometimes, even a third on top of that. The beauty of the metal bar against the full, wet sacks forced excess water out of the coal while it was being wheeled home. On a good day, the path to the beach was generally a double snail track of water that had been forced from each end of a trail of coal sacks.
It can be inferred that between the two types of coal, sea coal______.

选项 A、can burn better
B、might be cheaper
C、was more finely-grained
D、came in big pieces

答案C

解析 本题是细节题。根据文中第一段第一句和第二句可知,sea coal是一种coarse powder(粗粉),后一句也说这和我们烧火用的大块煤不同,C选项说seal coal磨得更细(more finely grained),符合文意,为正确答案。
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