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搜题
【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
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Where can you find a gift idea to improve your mother’s sleep?
A.
In Gift No. 1.
B.
In Gift No. 2.
C.
In Gift No. 3.
D.
In Gift No. 4.
【单选题】Where can you find a Spanish language bookstore?
A.
In Chinatown.
B.
In Japantown.
C.
Anywhere in the city.
D.
In the Mission District.
【单选题】Where can you find a topic sentence?
A.
1st sentence of the body paragraph
B.
last sentence of the body paragraph
C.
in the middle of the body paragraph
D.
in the conclusion paragraph
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