从规划范围看，公共部门人力资源规划有（）。A.全国性人力资源规划 B.地区性人力资源

The film is very ___. Tom is very ____.

A．exciting; excited

B．excited; exciting

C．exciting; exciting

D．excited; excited

My teacher said my composition was too long. I must ______ to about 3,000 words.

A．cut it off

B．cut it up

C．cut it down

D．cut it out

慢性腹泻病程为（）

A.病程2周以内

B.病程2周～2个月

C.病程2个月以上

D.病程3个月以上

E.病程半年以内

选矿的目的是为了提高矿石的品位。（）

在条件相同的情况下，高合金钢的去除H、N较低合金钢容易。（）