单选题:I catch a cold now and then. 题目分类:理工类 题目类型:单选题 查看权限:VIP 题目内容: I catch a cold now and then. A.always B.occasionally C.constantly D.regularly 参考答案: 答案解析:
According to this passage, in the early part of 20th century According to this passage, in the early part of 20th century, Italy was an _____ 分类:理工类 题型:单选题 查看答案
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We can know from the passage that the coast of North Carolin We can know from the passage that the coast of North Carolinais __________.A.ro 分类:理工类 题型:单选题 查看答案
What is the writer's attitude to GM foods? What is the writer's attitude to GM foods?A.He thinks their benefits and risks a 分类:理工类 题型:单选题 查看答案