金穗贷记卡普卡的授信额度最低为（）A.2000元 B.1000元 C.1500元 D

如图所示，两个完全相同的闭合导线环挂在光滑绝缘的水平横杆上，当导线环中通有同向电流时，两导线环的运动情况是

A．互相吸引，电流大的环其加速度也大

B．互相排斥，电流小的环其加速度较大

C．互相吸引，两环加速度大小相同

D．互相排斥，两环加速度大小相同

腹膜腔肿瘤的USG表现有哪些?

按要求完成句子。

1. Remember to bring your homework here next time. (改为同义句)   

    ______ ______ to bring your homework here next time.

2. Could you please clean your room? (作肯定回答)   

                 , I ______.

3. You can't stay out too late. (改为祈使句) 

    _______        ___ out too late.

4. There is a meeting on Monday. (用next Monday改写) 

    There______ ______ _______ ______a meeting next Monday.

5. He has to clean his room. (改为否定句)  

    He______ _______ ______ clean his room.

6. I need to eat breakfast. (改为一般疑问句) 

    ______ ______ ______ ______ ______ breakfast?

全检主要用于（）。

A.当某个缺陷会影响到人生安全时

B.当产品很昂贵时

C.必须保证全数良品时

D.以上都是

我国目前对虾属常见3组7种及引进种1组2种包括哪些？如何区别（排出检索表）？