下列说法正确的是 A．流水、风力是一次能源，电力、蒸汽是二次能源 B．普通锌锰电

阅读短文，根据短文内容和首字母提示填空。

     Mr. and Mrs. Green h __1__ a big house. Their house h __2__ a kitchen (厨房), four bedrooms and

 three other rooms. There are some trees n __3__ to their house. They have two cars. One is for Mr.

 Green and the other is for Mrs. Green.

     They have two children. One is a s __4__, and the other (另一个) is a d __5__. The children like

 s __6__ very much. The son has five b __7__, nine s __8__ balls and many baseballs. He likes playing

 basketball every day. The daughter has eight v __9__, ten ping-pang balls and seven t __10__ balls. She

 plays tennis ball every day.

男性，35岁。因慢性腹泻半年余，门诊行X线钡剂灌肠检查，见结肠边缘毛刺状，结肠袋消失，肠壁变硬，肠管缩短，肠腔变窄呈铅管状，其诊断应考虑为（）。

A.溃疡性结肠炎

B.克隆病

C.肠结核

D.结肠癌

E.结肠功能改变

髋部扭挫伤压痛多出现在（）

A.腹股沟部

B.髂前上棘下

C.坐骨结节

D.股骨大粗隆后方

E.骶髂关节

带传动工作时产生弹性滑动是因为( )。

A．带和带轮间摩擦力不够

B．带绕过带轮时有离心力

C．带的紧边和松边拉力不相等

D．带的预紧力不够

个人信贷营销中，银行进行市场环境分析的顺序应为（）。①选择目标市场②实行市场定位③分析购买行为④进行市场细分

A．①②③④

B．②①③④

C．③④①②

D．③①②④