山东景芝酒业的“一品景芝”酿酒原料有大米、糯米、小麦、玉米和()
A、芝麻
B、高粱
C、葡萄
D、苹果
参考答案:B
央视“3.15”特别节目曝光,某品牌肉制品中含瘦肉精.某种瘦肉精的化学式C12H19Cl3N2O,下列有关说法正确的是( )
A.该瘦肉精是有机物
B.该瘦肉精分子中含有氮分子
C.该瘦肉精由碳、氢、氯、氧四种元素组成
D.瘦肉精由12个碳原子、19个氢原子、3个氯原子、2个氮原子、和1个氧原子构成
根据对话内容,在空白处填入适当的句子、短语或单词,使对话意思完整,通顺。
A: Hello, Jane. This is Maria speaking. Would you like to go hiking with us this Saturday?
B: 1. . But I'm afraid I'll have to go to the library.
A: What about next Saturday?
B: 2. . Let's go hiking then.
A: OK. I hope the weather will be fine then.
B: I am sure it will. 3. .
A. Let's meet at half past seven.
B: Why not make it earlier, 4. .
A: That sounds good. Where shall we meet?
B: 5. .
A: Great! See you then!
B: See you!