根据句意,用所给单词的适当形式填空。

小题1:Daniel is writing a _______ (complain) letter to the newspaper.

小题2:The public transport system is _______ (special) designed to be comfortable.

小题3:Take exercise one hour a day, you’ll become ________(healthy)than before.

小题4:After working hard for many years, Jim became the CEO of a company in his _______(fifty).

小题5:Please help_________(you) to some chicken, Tom and Jim!

根据相关法律法规的规定，发售招标文件后，招标人应当( )。

A．对潜在投标人进行资格审查

B．办理招标备案手续

C．接受投标书

D．组织投标人踏勘现场，并对招标文件答疑