苔黄而干涩，中有裂纹如花瓣形，称为( ) A．霉腐苔 B．黏腻苔 C．黄瓣苔 D．

补全对话

根据对话内容, 从对话后的选项中选出能填入空白处的最佳选项.选项中有两项多余选项.

W: I think we should do the floors before we work on the curtains and walls.

M: Why?  1   If we do the floors first,  we will get paint all over our new floor.

W: Hmm. Maybe you're right. I will just cover everything with drop cloths.   2    

M: Are you sure?

W: Yes,  I'm sure. I've done a lot of house painting in my life.

M: Alright. Then maybe we can do the floors first. These wood floors under this carpet are beautiful.

        3   Do we have to hire someone?

W: Absolutely not. We can remove the carpet ourselves.

M: Great. Then,  after we remove the carpet,  we need to paint all the wood floors.

W: But we should hire someone for that.  4    And it has to be done right.

M: And then,  after the floors are done,  we can start to move our furniture in.

W: Sure.  5   

M: That's OK. Shall we begin at once?

W: I can't agree more.

A. That will probably be expensive.

B. It doesn't make sense.

C. We have to get everything ready for the work.

D. I won't get anything on the floor.

E. I can't wait to get all this old carpet out of here.

F. I'll be too busy to paint the house by myself.

G. Maybe we can have the furniture in here in a week or so.

经营成功的企业投资一般是将多种产品分布在寿命周期的不同阶段进行组合。企业处于主导地位，具有高收益与成长性，应选择的投资策略是( )。

A．积极投资

B．为维持增长率而投资

C．有选择的投资

D．根据需要增加投资

（）是路基工程在确定施工方案和进度计划时要充分考虑的因素。

A．材料供应计划

B．按依次流水法组织施工

C．施工方法和土石方调配方案

D．按工期要求计算工作延续时间

关于冷轧钢钢带表面残存的污染物下面说法不正确的是（）

A.一般而言，冷轧钢钢带表面残存的污染物会有金属粉末。

B.一般而言，冷轧钢钢带表面残存的污染物不会有金属粉末。

C.一般而言，冷轧钢钢带表面残存的污染物可能会也可能不会有金属粉末。

D.一般而言，冷轧钢钢带表面残存的污染物不确定有金属粉末。

创伤性窒息的临床表现有哪些（）

A.胸壁反常呼吸

B.肩部、上胸部淤斑、出血点

C.头颈部皮肤有淤斑

D.窒息，心脏骤停

E.肺毛细血管出血，小支气管和肺泡破裂