渐变工具（Gradient Tool）有几种渐变形式？（） ["3种","4种","5种","6种"]
以下不属于戊戌六公子的是（）。 ["康有为","谭嗣同","梁启超","康广仁","林旭"]
抽油机井更换密封盘根操作中，加入盘根时，要将盘根切口错开120°～180°加入密封盒内。
银行汇票撤销交易需打印（）凭证。 ["记账凭证","银行汇票","收费凭证","通用凭证"]
The globe valve has a bulbous body, housing a valve seat and screw down plug or disc arranged at right angles to the axis of the pipeAccording to the above sentence, which of the following statements is not true?（） ["The profile of the valve is like a globe","The valve seat is set into the bulbous body","The plug or disc of the valve is made vertical to the axis of the pipe","The valve seat is located at right side of the plug or disc"]
国家局、总公司、省局（公司）及市级局（公司）各级的投资项目审批内容及权限是如何规定的？
