吊车在直线行驶时，不准超过规定的爬行坡度10度。
参考答案：错
–I lost the watch that my uncle gave me as the birthday gift.
–Oh, _________.
A．that’s right
B．really
C．no worry
D．sorry to hear that.
以下检验方法中属于参数检验的是
A．t检验B．H检验C．T检验D．X2检验E．rs检验
