题目: I'm waiting for my friend. , I'll go shopping alone. [ ]A. If she comesB. If she will come C. If she doesn't come D. If she didn't 答案: 答案:C
题型:选择题 — It's a lovely day, isn't it?— Yes. I love________when the weather is like this.Why don't we sit outside and have our lunch?[ ] A. this B. thatC. it D. one 查看答案
题型:单项选择题 计量根据涉及的专业可分为()。A、热学计量、几何计量、力学计量、无线电计量、电磁计量、光学计量、声学计量、化学计量、电离辐射计量B、热学计量、几何计量、力学计量、经济计量、无线电计量、商业计量、电磁计量、声学计量、化学计量、光学计量C、热学计量、几何计量、力学计量、无线电计量、电磁计量、时间频率计量、光学计量、声学计量、化学计量、电离辐射计量D、热学计量、技术计量、质量计量、经济计量、力学计量、无线电计量、光学计量、声学计量、化学计量、电磁计量 查看答案