For a given characteristic in a construction process, the standard deviation associated with production variation is 0.8", and the standard deviation associated with measurement variation is 0.6". The total standard deviation for this characteristic is:
A . 1.4"
B . 1.2".
C . 1.0"
D . 0.8"
E . 0.2"
第1题:
A healthy life is frequently thought to be _______ with the open countryside and homegrown food.
A) tied B) bound
C) involved D) associated
选C
be involved in ,其余的都可以和with 连用,但在这里意思不对。be tied with 是被绑住,be bound with 也是,be associated with 是和什么紧密相关。
第2题:
___________
A. presented B. marked C. lit D. associated
第3题:
第4题:
注册一个自定义组件语句的用法是:( )
A.RegisterComponents(TMyComponent,[‘Standard’])
B.Register(TMyComponent,[‘Standard’])
C.RegisterComponents(‘Standard’,[TMyComponent])
D.Register(‘Standard’,TMyComponent)
第5题:
Magnetic heading differs from compass heading by______.
A.compass error
B.true heading
C.variation
D.Deviation
第6题: