某市质监局发现一家公司生产劣质产品，决定没收全部劣质产品、扣押生产设备，并处罚款10

下列哪项不是中骨盆狭窄的临床表现（）

A.临产后先露仍高浮

B.持续性枕后位

C.先兆子宫破裂

D.宫口开全，胎先露仅平坐骨棘

E.产瘤

按提示完成单词。

1. Betty's _____ (生日) is coming. We will buy her a present.    

2. Don't buy that dress．It's too _____ (贵)．    

3. Whose _____  (随身听) are these?  

4. Idon't think the black coat _____  (适合) you. You may change it.

5. Are there any_____  (折扣) on this year's clothes?

6.  The sports shoes on the table are one of the _____  (play).

7.  How         (care) you are! You have made such a mistake.  

8. He held a party without _____ (invite)us．

9. There are many _____  (visit) in our city in summer.

10. He was _____ (happy) because he got 58 points in the exam .

设A、B都是n阶可逆矩阵，且（AB）²=I，则（BA）²的值为（）。

A.I

B.0

C.1

D.1/2

贷款协议、保证协议或抵押协议的（）应注意保持一致性。

A、金额和期限

B、主体和金额

C、内容和期限

D、内容和要求

租船运输一般用来整船装运货价较低的大宗货物，如谷物、石油、化肥、木材、水泥等。