电流互感器用的（），用于保护电流互感器一次侧的绝缘免受雷电过电压的危害。 A.阀式避

慢性粒细胞性白血病

A．白细胞增高伴淋巴细胞比例增高
B．白细胞增高伴明显核左移
C．白细胞增高伴单核细胞比例增高
D．白细胞增高伴嗜酸性、嗜碱性增高
E．白细胞增高伴中性粒细胞减少

已知函数f（x）=x³-3x²+10．

（1）求f'（1）；

（2）求函数f（x）的单调区间．

信息系统为学习型组织的实现提供了有力的支持，以下最能反映这一支持的是（）

A.信息系统提高了工作效率，使组织成员有更多的时间学习和应用知识

B.为组织成员提供了学习、创造和应用知识的技术环境

C.知识系统积累了大量的知识，为组织员工的工作提供知识源泉

D.使员工的个人知识转化为组织知识，进而促使组织向学习型组织转变

Expressing gratitude is an important form of good manners. Nowadays more and more people in China have found it’s high time to (1) a thankful heart for the young.Everyone likes to get praised and appreciated. Gratitude is the greatest of virtues, which lets others smile and makes the world more beautiful. You just need several minutes to write down a thank-you note, but it brings much joy to the (2) .We live in a society where we enjoy the different services of others. But (3) of them should be taken for granted.Gratitude is also a kind of (4) in life. In developing gratitude for every moment—for the simple joys and even for the (5) times—we come to truly enjoy and appreciate life. Then we are able to see the (6) that surrounds us.Try to write a thank-you letter to your parents for working hard to (7) you a happy life.Be grateful to your teachers because of their (8) with your studies and character building.Say thanks to your friends who (9) both your happiness and sorrow. We are sure it will bring them much joy and add (10) into your own life as well.

第（7）空应选择（）

A．offer

B．produce

C．imagine

D．try

流通费用是指商品在（）中所发生的劳动耗费的货币表现。

A.流通过程

B.生产过程

C.劳动过程

D.销售过程