砂紧密密度试验中金属筒每层应左右颠击地面各25下。
参考答案:对
—What was your impression of last night's lecture —Speaking(), I thought it was rather boring.
A. very
B. honest
C. really
D. honestly
下列各项中,属于由动态会计等式构成的会计报表的是 ______。
A.利润分配表
B.资产负债表
C.利润表
D.所有者权益增减变动表