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(单选题)What is the main topic discussed in this passage? (单选题)All the following belong to the Viking’s achievement EXCEPT (单选题)Which of following statements is NOT true about the Icelande (单选题)—How did the global financial crisis ______?—I’m not quite s (单选题)If you suspect that the illness might be serious, you should (单选题)Had it not been for your carelessness, you ______ the drivin (单选题)Nowadays people in Shanghai separate their waste to make it (单选题)If you are a loner, you’d better get yourself some friends, (单选题)______ the competition was fierce, David rose to the challen (单选题)Tell me ______, please.