“冬不拉”是哪个民族的乐器?
参考答案:“冬不拉”是哈萨克的乐曲
Legend has ______ that CaoCao, King of Wei kingdom in the Three Kingdoms period, built 72 tombs to confuse tomb diggers.
A.it
B.this
C.them
D.itself
招标人收到投标文件后,应当签收保存,在开标前任何单位和个人不得开启投标文件。投标人少于( )个的,招标人应当依法重新招标。
A.5B.3C.2D.1