住客不在房，（）让来访客人将礼品放入房内。A.可以 B.不可以 C.看情况决定

_______ greatly by what he had heard and seen, he made up his mind to stand on his own feet again.

A．Inspiring

B．To be inspired

C．Being inspired

D．Inspired

将二次函数y=x²+4x-1化为y=（x-h）²+k的形式，结果为y=______．

You have nothing to___ by refusing to listen to our advice.

A．catch

B．earn

C．gain

D．grasp

人民法院作为赔偿义务机关的赔偿案件，不可能经过的程序为（）。

A.赔偿义务机关的先行处置

B.复议机关复议

C.赔偿委员会处理

D.确认

钢焊丝中硅元素对焊接和焊后焊缝性能有何影响？