[单选题]什么是直播“二次传播”的有效方式之一？
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- 1. （ ）食物是中国传统膳食的主体是人体能量的主要来源。
- 2. 10. 近代茶文化中，哪些人物和事件对茶学发展起到了关键作用？
- 3. There has been, in history, a man who was swallowed by a whale and lived to tell the tale. The mans name is James Bartley. The records to prove his unusual experience are in the British Admiralty. Bartley was making his first trip on the whaling ship Star of the East. Suddenly the lookout sighted a huge sperm whale. The whalers knew it was a huge whale by the size of the spray it blew into the air. They lowered their small boats. James Bartley was in the first longboat. The men rowed until they were close to the whale. A harpoon was thrown and it found its mark. It sank into the whales flesh. The maddened beast crashed into the boat, snapping its tail at the men and the wreckage of their boats. When the survivors were picked up, James Bartley was missing. Shortly before sunset, the whale was finally captured. The sailors tied the whales dead body to the side of the ship. Because of the hot weather it was important that they cut up the whale right away. Otherwise, the meat would begin to rot and the oil would begin to spoil. When they got to the stomach, they felt something moving about wildly. They thought it would be a big fish still alive inside. But when they opened the stomach they found James Bartley. After this trip, Bartley settled in England, and never returned to sea.：This passage is mainly about ______.
- 4. 关于清洁标准，说法不正确的是( )
- 5. 下列不属于微笑禁忌的是( )
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