运动员在完成某项技术动作之前的准备姿势称为（）准备姿势。
A、一般
B、专项技术
C、应变
D、后防
参考答案：A
--- ___________?
--- That would be great! Please drop me off at the library.
A．Could you bring me the bill
B．Would you like me to give you a lift
C．Could you tell me the postcode for Paris
D．Would you like to have my e-mail address
仪表日常维护工作主要有（）
A、定期回检查
B、定期排污吹洗
C、定期加油润滑
D、定期进行更换
