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【多选题】
非极性液相色谱的首选溶剂为()A.
甲醇
B.
乙腈
C.
乙醇
D.
三乙胺
E.
四氢呋喃
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举一反三
【多选题】下列有关补丁安装的说法中,正确的是________。
A.
在Windows 7中可以使用“Windows Update”在线安装补丁
B.
Windows 7补丁可通过直接访问微软更新网站http：//windowsupdate.miscrosoft.com来下载
C.
Windows 7系统桌面右下角托盘会有一个标志 ，表示系统已经下载安装了补丁
D.
利用离线下载安装补丁包可以提高补丁升级速度
【多选题】下列有关补丁安装的说法中,正确的是( )。
A.
在Windows 7中可以使用“Windows Update”在线安装补丁
B.
Windows 7补丁可通过直接访问微软更新网站下载
C.
Windows 7系统桌面右下角托盘会有一个标志 ，表示系统已经下载安装了补丁
D.
利用离线下载安装补丁包可以提高补丁升级速度
【单选题】Why does mcdull's mother trick him?
A.
Because she is so poor that she can't afford the trip to Maldives.
B.
Because she doesn't like him。
C.
Because he is ugly。
D.
Because he is not a good piglet。
【单选题】Why does Cathy's mother suddenly bring up the topic of her clothes in the middle of the conversation? Which of the following is NOT a possible reason?
A.
She wants the Careers Officer to know that it is not Cathy's fault.
B.
She doesn't want to answer this question for her daughter.
C.
She is afraid that the Careers Officer may not give her daughter a chance because Cathy doesn't know how to dress smartly.
D.
The mother and daughter have an argument about the clothes Cathy should wear before they come.
【单选题】In the film Flipped, why does Juli's mother think having a sit-down dinner with the Loskis is important?
A.
Because she likes to invite neighbours to have dinner.
B.
Because she wants to be friendly to others.
C.
Because she wants to make some friends.
D.
Because she likes Bryce.
【简答题】“ 碧泉 ” 牌瓶装矿泉水 ( 未加糖 )
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