There are 140 people in a room. What percent of the original group would remain if 21 people were to leave?

[单选题]患者，男，42岁。一周前腰部扭伤后，突然剧烈腰痛，伴左下肢放射痛。查体：腰部活动受限，左直腿抬高时沿着坐骨神经出现剧烈疼痛，左臀中肌处压痛明显，左小腿后外侧感觉减弱，左拇趾背伸力减弱。X线检查：腰椎右侧凸，骨质增生腰椎X线平片对诊断腰椎间盘突出症的价值较大（）。

[单选题]男，45岁。CT示腰4椎体骨小梁稀少、增粗，呈颗粒样，骨皮质未见破坏，诊断为（　）

[判断题]一般情况下，大批量生产的模具应该对主要零件进行适当的热处理。

[填空题]格林卡生于（），死于（），被称为“俄罗斯民族音乐之父”。其代表歌剧是（）、（）。

[单选题]常脉中有神的表现是（　　）。

[单选题]从（）开始，墓葬中随葬的俑的额部出现类似佛的“白毫相”的装饰。

[名词解释题]败血症

[单选题]圆锥破碎机（）中修一次。

[判断题]爆破时爆破员必须下蹲面向炮区。

[单选题]根据《堤防和疏浚工程施工合同范本》，承包人对已完工验收的（）不承担保修责任。

非专业可以考出版资格证书吗？有哪些报考条件？

关于BEC考试有哪些备考建议？

为什么要考BEC？

有哪些学习商务英语的好方法？

商务英语考试（BEC）难不难？

都说GRE考试难，那么它究竟难在哪？

什么是GRE考试？

雅思考试在即，如何快速备考？

说说雅思考试那些事

雅思5.5相当于CET几级的水平？

[单选题]There are 140 people in a room. What percent of the original group would remain ...

[单选题]The board room can（）fifty people.

[问答题]Room prices are regularly $100, but for each additional room rented by a group, ...

[填空题]The ratio of men to women in a room is 4: 5. If the room contains three more wom...

[问答题]Room prices are regularly $100, but for each additional room rented by a group, ...

[问答题]Room prices are regularly $100, but for each additional room rented by a group, ...

[单选题]Listen! Someone ______ in the next room.

[单选题]Mary （） into the room.

[单选题]You may use the room as you like ______ you clean it up afterwards.

[单选题]I have a reservation for a（）room.