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【简答题】
写出1，3，5-三溴苯的逆向合成分析策略，且设计出合理的合成路线
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反馈参考答案：
举一反三
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【简答题】听句子，选择最佳答案。 A. In the afternoon. B. No,there isn't. C. Houston Rocket. D. That's a great idea. E. At Sun Theatre. 1.__ 2. __ 3.__ 4. __ 5. __ ?
【简答题】完形填空。 There is an American story about three sisters. They loved each other very much. Each 1 could only be happy when she was with her sisters. The oldest sister stood 2 . Her name was Corn. Corn was...
【单选题】You are working as a network technician， study the exhibit carefully. Your boss has informed youthat there have been problems with the WAN that is using EIGRP routing protocol. You arerequired to trou...
A.
The IP address on the tunnel interface on Branch5 is incorrect. It should be 192.168.1.16255.255.255.252
B.
The tunnel source for tunnel 5 is incorrect on the HQ router. It should be serial 2/0
C.
The tunnel numbers for tunnel between the HQ router and the Branch5 router do not match
D.
The tunnel destination address for tunnel 5 is incorrect on the HQ router. It should be 10.2.5.1to match the interface address of the Branch5 router
E.
The tunnel interface for tunnel 5 on the HQ router is in the administrative down state
【简答题】从方框中选择恰当的选项补全对话，有两项是多余的。 A. That's a good idea. B. Would you like to go to the theatre? C. Would you like to go there with me? D. Where is it? E. What day is it today? F. How many people are there? G....
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