Lilly's default printer is a shared printer that is connected to Windows 2000 Server computer. She wants to have this notification turned off because she prints so many documents.
What should you do?
A.In the server properties of the printer system folder, clear the Notify when remote documents are printed option.
B.In the server properties of the printers system folder, clear the Notify computer, not user, when remote documents are printed option.
C.In the default printer properties, select the Portstab, and clear the Enable bidirectional support option.
D.In the default printer properties, select the Advancedtab, and clear the Advanced printing features option.
第3题
下列化合物中哪些不能发生Friedel-Crafts烷基化反应?
①C6H5CN ②C6H5CH3③C6H5CCl3
④C6H5CHO ⑤C6H5COCH3⑥C6H5Br
第6题
下列关于醚类化合物错误的说法是
A.醚类化合物有孤对电子
B.醚类化合物能吸引质子
C.醚类化合物具有亲水性
D.醚类化合物可被氧化为亚砜或砜
E.硫醚类化合物可被氧化为亚砜或砜
第7题
下列化合物中哪些不能发生傅-克烷基化反应?
(i)C6H5CN
(ii)C6H5CH3
(iii)C6H5CCI3
(iv)C6H5CHO
(v)C6H5OH
第8题
A.苯胺和甲醚烷基化生产苯甲胺
B.苯胺和甲醇制备N,N-二甲基苯胺
C.乙烯与苯发生烷基化反应生产乙苯
D.苯胺与氯乙酸生产苯基氨基乙酸
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!