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【单选题】
采用 TCP/IP 数据封装时,以下哪个端口号范围标识了所有常用应用程序?A.
0 到 255
B.
0 到 1023
C.
256 到 1022
D.
49153 到 65535
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反馈参考答案：
举一反三
【单选题】重氮化-偶合反应用于鉴别（）
A.
化学结构中含有脂肪氨基的药物
B.
具有莨菪碱结构的药物
C.
含有酚羟基或水解后产生酚羟基的药物
D.
芳酸及其酯类、酰胺类药物
E.
具有芳伯氨基或水解后能产生芳伯氨基的药物
【简答题】Paris - Two diamonds together worth over 11 million euros ($20.49 million) disappeared from an antique dealers' show in Paris on Monday. Police said a glass case holding the jewels was forced open dur...
【单选题】The alarm system was not ________ when the paintings were stolen.
A.
Functioned
B.
Functioning
C.
Tensioned
D.
Tensioning
【单选题】What measure was taken against floods in London in the 1960s?
A.
50 underground stations were made waterproof.
B.
A flood wall was built.
C.
An alarm system was set up.
D.
Rescue teams were formed.
【单选题】重氮化--偶合反应用于鉴别
A.
含有酚羟基或水解后产生酚羟基的药物
B.
芳酸及其酯类、酰胺类药物
C.
化学结构中含有脂肪氨基的药物
D.
含有芳伯氨基或水解能产生芳伯氨基的药物
【单选题】重氮化---偶合反应用于鉴别
A.
含有酚羟基或水解后产生酚羟基的药物
B.
芳酸及其酯类、酰胺类药物
C.
含有芳伯氨基或水解能产生芳伯氨基的药物
D.
化学结构中含有脂肪氨基的药物
【单选题】What measure was taken against floods in London in the 1960s?
A.
A flood wall was built.
B.
Rescue teams were formed.
C.
An alarm system was set up.
D.
50 underground stations were made waterproof.
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