追求企业利润、目标市场需求和公众长远利益统一的开发经营观念，属于()。A.产品观念

用所给单词的适当形式填空。

1. It's _____ (get) late. Let's go home.

2. Is life today better than it _____ (be) 50 years ago?

3. I think you are _____ ( lazy) than he is.

4. We have _____ (little) rainfall this year than last year.

5. His drawing isn't so _____ (good) as yours.

6. Can you tell me the _____ (near) way to the bank?

7. It is the _____ (busy) day of the week.

解方程：15-（7-x）=2x+（5-3x）

They plant fruit __________ vegetables on their farm.[ ]

A. but also

B. as well as

C. as well

侵袭性曲霉病影像学特征性表现为（）

A.后期为新月体征

B.X线阴影的易变形

C.胸部CT早期为晕轮征

D.肺实变体征

E.X线胸片以胸膜为基底的多发楔形阴影

秘书要认真保管企业的印章，因为印章有( )的作用。

A．修正

B．凭证

C．标志

D．保密