使用千分尺时用等温方法将千分尺和被测件保持同温，可减小温度对测量结果的影响。
参考答案：对
—What are you going to do this afternoon?
—We are going to have a football match if it _____.[ ]
A. will rain
B. rained
C. doesn't rain
下列哪项被人们称为“养命钱”( )
A．个人账户养老金
B．社会统筹基金
C．基本养老金
D．基础养老金
