若关于x的方程ax=3x-5有负数解，则a的取值范围是[ ] A. a3 C. 发布时间：2017-04-13 19:32 │ 来源：www.tikuol.com 题型：选择题 问题： 若关于x的方程ax=3x-5有负数解，则a的取值范围是[ ]A. a<3 B. a>3 C. a≥3 D. a≤3
题型：选择题 阅读理解。完形填空。 One day, Jenny is 1____________ the bus. She is looking 2____________ the window of the bus. She sees a big green tree. There is a baby and her mother 3____________ behind Jenny. The baby is crying. She is loud. There is a boy and his father sitting in front of Jenny. They 4____________ talking. Jenny is going to 5____________ her grandma and grandpa. She loves them very much.( ) 1. A. behind( ) 2. A. out( ) 3. A. sit( ) 4. A. is( ) 5. A. seeB. onB. inB. siting B. amB. lookC. withC. betweenC. sittingC. areC. watch判断句子正(T)误(F)。( ) 6. There is a boy and his father sitting behind Jenny.( ) 7. The baby is crying and she is very loud.( ) 8. Jenny loves her grandma and grandpa very much. 查看答案
题型：选择题 有机加工厂接到100吨有机晶体糖生姜的定单，由于有机生姜原料只能满足96吨产品的加工需求，因此购买了可生产4吨产品的常规生姜原料，原料混合后按照有机加工标准生产出了100吨产品，常规原料占终产品比例未超过5%，该批糖姜是否可获得有机认证？ 查看答案