题目

已知：tan(-2α)=m(m≠0)，则cot(2α+)的值为___________． 答案：答案：-解析：cot2α++=-tan2α+=-cot-2α=-.Rewrite the following sentences as required. （按要求改写句子）：1.Alice read a story called The Little Prince. (改为一般疑问句)__________ Alice _________ a story called The Little Prince?2.I go jogging with my parents on Tuesdays. (对划线部分提问)_________ __________do you go jogging with your parents?3.The man was afraid. He ran away immediately. (合并为一句)The man was __________ afraid __________he ran away immediately.4.In our daily life, few students dial 110 to call the police. (反意疑问句)In our daily life, few students dial 110 to call the police, __________ __________?5.last Monday, happened, that restaurant, An accident, near (连词成句)__________________________________________________________.