【判断题】画图时,为了做图简便,一般将变形系数简化为 1 ,这样在画正等轴测图时,凡是平行于投影轴的线段,就可以直接按立体上相应线段的实际长度做轴测图,而不需要换算。 ( )
【单选题】用ARPA矢量时间可调的功能,在估计碰撞危险时,下述哪种情况有碰撞危险:
【简答题】I'm afraid the girl is a little for her age and height. (weight)
【简答题】硅胶吸附层析适于分离__成分,碱性氧化铝用于 化合物的分离
【单选题】自然人下落不明满( )年的,利害关系人可以向人民法院申请宣告该自然人为失踪人。
【单选题】计算机网络分为局域网、城域网和广域网,下列属于局域网的是( )
【简答题】DISTINCT 汇总函数的计算中包含哪些值?
【判断题】自然人下落不明满四年的,利害关系人可以向人民法院申请宣告该自然人死亡。( )
【单选题】I'm afraid _____.
A.
the little girl will have to be operated on
B.
that will the little girl have to operate on
C.
the little girl will have to operate on
D.
that will the little girl have to be operated on
【单选题】I'm afraid _____.
A.
the little girl will have to be operated on
B.
that will the little girl have to operate on
C.
the little girl will have to operate on
D.
that will the little girl have to be