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【单选题】
下列哪个药物在酸性条件下可与亚硝酸钠作用生成重氮盐，再加碱性β-萘酚试剂偶合生成红色的偶氮化合物A.
扑热息痛
B.
阿司匹林
C.
甲芬那酸
D.
布洛芬
E.
吡罗昔康
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举一反三
【单选题】听力原文： Medical teams are being dispatched to remote villages in India's northeastern state of Assam to deal with an out-break of malaria that so far has claimed at least 18 lives by official count. Est...
A.
plague
B.
measles
C.
malaria
D.
rabies
【简答题】锚链接的路径格式为“( ) ” 后面加上锚记名称 。
【简答题】What is the purpose of the video library? To help people improve their ___________________ abilities. 17.What problem may people have when using the library for the first time? They may have difficult...
【单选题】听力原文：W: Hurry up, darling. We have to meet your aunt at the railway sta6on at 9:25. M: Don't worry. We still have 40 minutes to go. Q: What time is it now? (18)
A.
8:45.
B.
10:05.
C.
8:35.
D.
9:45.
【单选题】—Let's go and visit their new school. — ________. [ ]
A.
That's all right
B.
You're right
C.
Right
D.
All right
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