下列关于贸易竞争指数，正确的是（）。A.Xi=1，表明该国i类商品只有进口没有出口

湿热腹痛的证候特点是（）

A.遇寒痛甚，得温痛减

B.腹痛拒按，胀满不舒

C.腹痛畏寒，喜温喜按

D.腹痛胀满，攻窜不定

E.腹部刺痛，固定不移

Children exposed to air pollution are more       to suffering from different diseases.

A．possible

B．probable

C．likely

D．certainly

—Thank you very much for giving me a hand when I was in trouble.

—Don’t mention it. I only did what anyone else    in my place.

A．must do

B．might do

C．would have done

D．can have done

爱德华滋

2006-2008年间，表中港口有几个在7月出现过货运吞吐量比上年同期下降的局面( )

A．0

B．1

C．2

D．3