WTO反倾销规则规定，确定倾销的存在，一般从三方面着手，即确定正常价值、出口价格以及

Lucy, _____________ you always do your homework? [ ]

A. are

B. does

C. do

D. is

— ____________, where is my jacket?

— ____________, I don't know. [ ]

A. Sorry, Excuse me

B. Sorry, No

C. Excuse me, Sorry

D. Excuse me, No

设在窗体上有1个名称为Combo1的组合框,含有5个项目,要删除最后一项,正确的语句是【 】

A．Comb01.Remove ltem Comb01.Text

B．Comb01.Removeltem 4

C．Comb01.Remove ltem Comb01.List Count

D．Comb01.Remove ltem 5

“多一把评价的尺子，就多出一批人才”。请你谈谈对这种观念的看法。

石灰石分子式（）。

A.CaCO₃

B.CaO

C.Ca（OH）₂

D.siO₂