_______ for your laziness，you could have finished the assignment by now.

建筑结构试验根据不同要素有多种分类方法，下列哪种试验是按荷载性质分类等（）

At any rate I did not succeed _______ myself understood by you.

超声回弹综合法检测混凝土强度时可以（）

The book fair has received a positive ________ from readers.

钢结构试验时，持荷时间不少于（）

The boy complained _______ a pain in his stomach.

选择测量仪器时，最大被测值一般不宜大于选用仪器最大量程的（）

They are eager _______ abroad.

结构静力试验的试验加载制度是（）