【简答题】We were having a party at school last night when the lights suddenly went out.英译汉
【简答题】请将国内旅客运输服务取得的单据与其对应的可抵扣进项税额的计算方法相连
【单选题】______ a fine day, we decided to go out for a picnic.
【单选题】乙酰胆碱能提高心肌细胞膜哪种离子通道的通透性?
【简答题】(Not having got enough hands), we had great difficulty in carrying out the task.
【简答题】用 可以测量固体块状颗粒体及粉料的料位。由于固体间磨损较大,容易“滞留”,可用 及 组成电容器的两极来测量非导电固体料位。