按照规定应当清退的秘密载体，应如数清退。已自行销毁的，应提供两人以上的监销记录。（）
参考答案：对
You can’t imagine ______ when they received these nice Christmas presents.
A．how they were excited
B．how excited they were
C．how excited were they
D．they were how excited
支柱型号H38/87+26，其中26表示（）。
A、支柱型号
B、支柱容量
C、支柱露出地面的高度
D、支柱埋入地下的深度
