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【简答题】
请设计一个类,使用 Cookie 技术实现显示用户上次访问时间的功能。 要求如下: 1) 创建一个 LastAccessServlet 类,使其继承 HttpServlet 类并重写该类的 doGet() 方法。 2) 在 doGet() 方法中,使用 request.getCookies() 得到所有 cookie 形成的 cookie 数组,并进行遍历。 3) 如果遍历过程中找到 cookie 信息中存在 lastAccess 属性则输出,否则创建 cookie 对象设置值为当前时间并发送给客户端。 4) cookie 的存活时间为 1 小时,访问当前应用中的所有资源客户端都 cookie 信息。
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举一反三
【单选题】The last two sentences imply that ________.
A.
statesmen in the world are less competent than jeans
B.
the inhabitants of the world should speak the same language
C.
statesmen have failed to reach agreement on many major issues of the world
D.
jeans will help statesmen to reach agreement on some world issues
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【判断题】根据公平理论,当员工获得相同的报酬时,员工会感到他们被公平地对待。
A.
正确
B.
错误
查看完整题目与答案
【判断题】根据公平理论,当获得相同报酬时,员工会感到他们是被公平对待的。
A.
正确
B.
错误
查看完整题目与答案
【多选题】以下关于绵马贯众的性状特征,描述正确的有
A.
表面黄棕色至黑褐色
B.
叶柄残基呈扁圆形,质硬而脆
C.
断面平坦,棕色,有黄白色维管束5~13个,U型排列
D.
密被排列整齐的叶柄残基及鳞片,并有弯曲的须根
E.
气特异,味初淡而微涩,后渐苦.辛
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【判断题】墨家的生活态度比儒家更积极,“日夜不休,以自苦为极”。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Mr. Green:Hello! This is English-help Centre. _小题1:__ Li Lei:Yes. I have some problems with English. Mr. Green:__ 小题2:_ Li Lei:First, I can’t speak English well. Mr. Green:_ 小题3:_. Why not join a lang...
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【多选题】Select the appropriate sentences from the answer choices and match them to the temperature scales to which they relate. TWO of the answer choices will NOT be used. The question is worth 3 points. Fahr...
A.
Water freezes at 0°and boils at 100°.
B.
Water freezes at 273°and boils at 373°.
C.
Water freezes at 100°and boils at 0°.
D.
Water freezes at 32° and boils at 212°.
E.
0° is the temperature at which saltwater boils.
F.
0° is equal to the freezing temperature of water.
G.
0°was what was believed to be the lowest possible temperature of a solution of saltwater and ice.
查看完整题目与答案
【简答题】Mr. Green：Hello! This is English－help Centre. 1 Li Lei：Yes. I have some problems with English. Mr. Green： 2 Li Lei：First, I can’t speak English well. Mr. Green： 3 Why not join a language club to pract...
查看完整题目与答案
【判断题】根据公平理论，当获得相同报酬时，员工会感到是被公平对待的。
A.
正确
B.
错误
查看完整题目与答案
【简答题】从对话后的选项中选择适当的选项补全对话。 Mr. Green: Hello! This is English-help Centre. 1_____ Li Lei: Yes. I have some problems with English. Mr. Green: 2_____ Li Lei: First, I can't speak English well. Mr. Green: 3____...
查看完整题目与答案
相关题目：
【单选题】The last two sentences imply that ________.
A.
statesmen in the world are less competent than jeans
B.
the inhabitants of the world should speak the same language
C.
statesmen have failed to reach agreement on many major issues of the world
D.
jeans will help statesmen to reach agreement on some world issues
查看完整题目与答案
【判断题】根据公平理论,当员工获得相同的报酬时,员工会感到他们被公平地对待。
A.
正确
B.
错误
查看完整题目与答案
【判断题】根据公平理论,当获得相同报酬时,员工会感到他们是被公平对待的。
A.
正确
B.
错误
查看完整题目与答案
【多选题】以下关于绵马贯众的性状特征,描述正确的有
A.
表面黄棕色至黑褐色
B.
叶柄残基呈扁圆形,质硬而脆
C.
断面平坦,棕色,有黄白色维管束5~13个,U型排列
D.
密被排列整齐的叶柄残基及鳞片,并有弯曲的须根
E.
气特异,味初淡而微涩,后渐苦.辛
查看完整题目与答案
【判断题】墨家的生活态度比儒家更积极,“日夜不休,以自苦为极”。
A.
正确
B.
错误
查看完整题目与答案
【简答题】Mr. Green:Hello! This is English-help Centre. _小题1:__ Li Lei:Yes. I have some problems with English. Mr. Green:__ 小题2:_ Li Lei:First, I can’t speak English well. Mr. Green:_ 小题3:_. Why not join a lang...
查看完整题目与答案
【多选题】Select the appropriate sentences from the answer choices and match them to the temperature scales to which they relate. TWO of the answer choices will NOT be used. The question is worth 3 points. Fahr...
A.
Water freezes at 0°and boils at 100°.
B.
Water freezes at 273°and boils at 373°.
C.
Water freezes at 100°and boils at 0°.
D.
Water freezes at 32° and boils at 212°.
E.
0° is the temperature at which saltwater boils.
F.
0° is equal to the freezing temperature of water.
G.
0°was what was believed to be the lowest possible temperature of a solution of saltwater and ice.
查看完整题目与答案
【简答题】Mr. Green：Hello! This is English－help Centre. 1 Li Lei：Yes. I have some problems with English. Mr. Green： 2 Li Lei：First, I can’t speak English well. Mr. Green： 3 Why not join a language club to pract...
查看完整题目与答案
【判断题】根据公平理论，当获得相同报酬时，员工会感到是被公平对待的。
A.
正确
B.
错误
查看完整题目与答案
【简答题】从对话后的选项中选择适当的选项补全对话。 Mr. Green: Hello! This is English-help Centre. 1_____ Li Lei: Yes. I have some problems with English. Mr. Green: 2_____ Li Lei: First, I can't speak English well. Mr. Green: 3____...
查看完整题目与答案