网络连接如图4-2所示,要使计算机能访问服务器,在路由器R1中配置路由表的命令是______。
参考答案:D
使还原糖显棕黑色的是( )
A.硝酸银试剂 B.三苯四氮唑盐试剂 C.苯胺-邻苯二甲酸试剂 D.3,5-二羟基甲苯-盐酸试剂 E.过碘酸加联苯胺
根据句意及汉语提示写单词,完成句子。
1. My _____(生日)is June sixth.
2. Most(大多数)kids thinks documentaries are very_____(无聊的).
3. Wu Li wants to have a _____(聚会)at school.
4. Is _____(九月)tenth Teachers' Day(教师节)?
5. December is the _____(第十二)month of the year.
6. The yellow _____(毛衣)is thirty dollars.
7. They have some shoes at a very good _____(价格).
8. You can _____(买)shorts for only ten dollars each.
9. The hat is too _____(小的).
10. They eat _____(健康的)food every day.