维护与保养作业时的车辆防护，若用户不在现场，可不做？（）
A.不可以
B.完全可以
C.没有明确规定
参考答案：A
The result was far beyond ______ we had expected, ______ brought great joy to every one of us.
A．that, which
B．that, that
C．what, what
D．what, which
信号发散（signaldivergence）
