包虫病最重要的传染源是()。A.狼 B.豺 C.犬 D.羊 E.牛、骆驼 发布时间:2018-01-07 12:26 │ 来源:www.tikuol.com 题型:单项选择题 问题: 包虫病最重要的传染源是()。A.狼B.豺C.犬D.羊E.牛、骆驼
题型:单项选择题 完形填空。 Jim likes sports __1___ . His favourite sport is__2___ .And his ___3 __sports star (体育明星)is Ronaldo(罗纳尔多).Every Friday he plays it __4 ___his friends.His friend Jack likes singing.His favourite singer___5__Linda.He often__6__ __7___ her songs,but he___8__sing well.He can play__9___ guitar very___10__ .( )1. A.much ( )2. A.football( )3. A.like ( )4. A.and ( )5. A.is ( )6. A.listen ( )7. A.to ( )8. A.does ( )9. A.a ( )10.A.good B.very B.basketballB.with B.with B.am B.listens B.at B.don't B.the B.well C.very much C.tennis C.love C.of C.are C.listening C.for C.doesn't C./ C.much 查看答案
题型:单项选择题 3A的直流电通过电阻R时,t时间内产生的热量为Q;现让一交流电通过电阻R,若2t时间内产生的热量为Q,则该交流电流的有效值和最大值分别为( )A.I有=3/2A,Im=3AB.I有=3A,I有=3AC.I有= A,I有 AD.I有3A,Im=6A 查看答案
题型:单项选择题 据下图提供的信息回答问题。如上图所示,某日上午十点,有学生、教师、职员、经理、司机、公务员六种人员分布在商场、银行、医院和体育馆请问:在四种场所中,此时人数第二多的是何种人?()A.学生B.职员C.教师D.公务员 查看答案