油品采样时，下列做法正确的是（）。A、用被采样品置换几遍B、打开采样口立即采样C、采

阅读理解

     Hello, everyone! Good news for you! Hualian's fantastic sale! You want it, and we have it at a very

good price. Do you like them at low prices? We have sweaters in all colors at 50 yuan each! Do you

need a bag for sports for school? We have great bags for just 6 yuan! For young boys and girls, we

have T-shirts in red, green, yellow, orange, blue and black for only 15 yuan! And socks in all colors for

just 1 yuan! And that's not all. Can't you believe it? Come down to Hualian and see for yourself!

1.This passage (段落)_____________

A. a story (故事)

B. and ad (广告)

C. about family  

D. about buying and selling

2. What is the meaning (意思)of the word "fantastic"in this passage?

A. 便宜的

B. 稀奇古怪的

C. 异想天开的  

D. 昂贵的

3. You want to buy a sweater and a T-shirt. How much will you have to pay?

A. 51 yuan  

B. 21 yuan

C. 56 yuan  

D. 65 yuan

4. You want some black socks. Can you buy them here ?

A. No, I can't  

B. Yes, I can

C. No, I can  

D. Yes, I can't

5. Which sentence is right according to (根据) the passage?

A. There are no green sweaters  

B. Young boys and girls like T-shirts very much

C. The T-shirts in Hualian are for young boys and girls.

D. Only the things in the ad are cheap.

将下列人名与对他们的称呼用线连起来。     

文圣                       关羽     

武圣                       孔丘     

书圣                       吴道子    

画圣                       王羲之

慢性特发性血小板减少性紫癜最常见于（）。

A.幼儿

B.儿童

C.青年女性

D.壮年男性

E.老年人

审计依据的时效性是指审计依据在审计时是否有效。

[背景材料]

2009年3月，某市商贸公司拟通过邀请招标的方式建设一商品展览馆，于是向甲、乙、丙、丁4家施工公司发出了招标邀请。4家公司在规定的期限内向商贸公司发出了投标文件，招标委员会经过评标，最终确定甲公司得分最高。但是商贸公司最终并未向甲公司发出中标通知书，而是与另外一家施工企业戊企业签订了建设工程施工合同，合同价款暂时定为人民币1 000万，决算审定价为最后价。5月21日戊公司进驻施工场地进行施工。11月20日，商贸公司向戊施工企业发出通知，称其资金不足，无法继续施工，要求解除合同。戊施工企业置之不理，继续施工。商贸公司诉至法院，认为被告未参与工程的招投标，其取得“中标通知书”直接违反了《招标投标法》的规定，故中标无效，请求人民法院认定订立的施工合同无效。

[问题]

参加投标的甲、乙、丙、丁4家公司能否追究商贸公司的违约责任，为什么