使用键盘选择文本，只要按（）键同时进行光标定位操作就行了。 ["Alt","Ctrl","Shift","Ctrl+Alt"]
属于ProE中的草绘特征的是（）。 ["拉伸","旋转","拔模特征","草绘孔"]
重点费用控制是行业的要求，也是企业发展的内在必需。2014年，应重点进行管控的费用有（）。 ["业务接待费","会议费","国内市场营销费","福利费"]
单位商品的价值量与包含在该商品中的必要劳动量（） ["成正比","成反比","不成比例","反向变化"]
Unless such oil tanker carries crude oil which is not suitable for crude oil washing，the oil tanker shall（）the system in accordance with the requirements of that Regulation. ["operate","check","install","overhaul"]
英国的地理位置对其发展有哪些影响？
