国债融资构成纳税人的（）负担。

12. Mr. White works with an import and export company, but he ______ for this industrial fair, since he is on leave.

A．has worked

B．works

C．has been working

D．is working

If the weather ________ fine , she _________ to the countryside with her parents.

A．is; will go

B．is ; goes

C．will be; goes

D．will be ; will go

在进行城市构筑物满水试验时．注水时水位上升速度不宜超过（）。

A．2m/d

B．3m/d

C．4m/d

D．5m/d

试简述给一维数组元素赋值有哪些？

FOCKE350小盒包装机内衬纸的里外（左、右）偏移的调整有两种调整方法，自动调整和（）调整。