在Access 2000中的数据访问页有很多功能,下列选项中不属于它的功能的是 ______。
A.远程发布数据
B.远程维护信息
C.远程自动更新
D.远程随时更新
参考答案:C
根据句意,用所给词的适当形式填空。
1. There is nothing important in today's newspaper. How about (listen) to the radio?
2. Jenny gave her father a special gift on Father's Day.She made it by (she).
3. (million) of movie fans like watching Avatar. It's really fantastic.
4. Kathy's work is to look after (baby). She is a babysitter.
5. The traffic is very heavy these days in our city. People should drive (careful) on the roads.
下列有关抗原抗体反应特点的叙述中,错误的是( )
A.抗原抗体的反应具有特异性B.抗原抗体只有在分子比例合适时才会出现最强的反应C.反应曲线中,抗原抗体分子比例合适的范围称为等价带D.抗原抗体的反应具有不可逆性E.C+D