单选题:油菜的抗病品种和感病品种属于( ) 题目分类:生态学基础 题目类型:单选题 查看权限:VIP 题目内容: 油菜的抗病品种和感病品种属于( ) A.气候生态型 B.生物生态型 C.土壤生态型 D.不属于生态型 参考答案: 答案解析:
What is a "benign" virus? What is a "benign" virus?A. It is a virus that causes great damag B. It is a vir 分类:生态学基础 题型:单选题 查看答案
Questionsare based on the following monologue.How did the na Questionsare based on the following monologue.How did the name of "computer viru 分类:生态学基础 题型:单选题 查看答案
Questionsare based on the following dialogue.What will the m Questionsare based on the following dialogue.What will the man do tonight?A. He 分类:生态学基础 题型:单选题 查看答案