IgA肾病为（） A.补体持续降低 B.补体于6～8周恢复正常 C.补体降低可提示病

“新模范军”击败王军的决定性战役发生在  [ ]

A、伦敦

B、纳西比

C、马斯顿

D、巴黎

同义句转换。

1. He didn't take part in the sports meeting because he was ill.

    He didn't take part in the sports meeting ______ ______ his illness.

2. She said she was an artist, but actually she was a liar.

    She said she was an artist, but ______ ______ ______, she was a liar.

3. He commanded that we (should) set out at once.

    He commanded us ______ ______ ______ at once.

监控装置是采用线路（）内存储，运行中顺序调用的原理。

电子邮件应用程序利用POP3协议 ______ 。

A．创建邮件

B．加密邮件

C．发送邮件

D．接收邮件