乙脑病毒通过如下哪一种循环维持自身的存在()A.蚊-人-蚊 B.蚊-猪-蚊 C.蚊- 发布时间:2018-01-06 20:55 │ 来源:www.tikuol.com 题型:单项选择题 问题: 乙脑病毒通过如下哪一种循环维持自身的存在()A.蚊-人-蚊B.蚊-猪-蚊C.蚊-猴-蚊D.蜱-人-蜱E.蜱-猪-蜱
题型:单项选择题 选择合适的单词填空。 So lots bought And had 1. Lucy had a cold yesterday. _______ she didn't go to school.2. This morning my mother_______ some medicine(药) for me.3. Yesterday I helped my f ather. _______ I played football with my friends.4. Today I ______ got a headache.5. 1 ate _______ of pears yesterday. 查看答案
题型:单项选择题 2009年热炒的电动车“国标”修改,因为生产者、消费者和相关产业的代表各方意见不一,且反映强烈而暂缓实施。这说明 ( )A.对同一确定对象的认识会产生多种不同的真理B.对客观事物的认识会受到立场、观点、方法等主观因素的影响C.各自利益的不同决定了各自意见的不同D.真理只有一个,与政府文件相一致的认识就是真理 查看答案
题型:单项选择题 Our football ream will compete against the Japanese team this evening. Let’s go and ________shall we?A.cheer them upB.join them upC.add them upD.pick them up 查看答案