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在质子共振谱中,可以看到 HF 质子的双峰,而只能看到 HCl 的质子单峰。为什么?
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参考答案:
举一反三
【单选题】诗 句“波斯老贾度流沙,夜听驼铃识路赊(遥远)。采玉河边青石子,收来东国易桑麻”反映 ( )
A.
陆上丝路贸易
B.
玄奘西行天竺
C.
鉴真东渡日本
D.
郑和七下西洋
【单选题】www.tsinghua.edu.cn在这个完整域名中,主机名是( )
A.
edu.cn
B.
tsinghua.edu.cn
C.
tsinghua
D.
www
【判断题】The Japanese usually exchange business cards before bowing which provides useful information to determine who should bow more.
A.
正确
B.
错误
【单选题】Which of the following is NOT true about the Japanese?
A.
The Japanese are the strictest in their social and business behavior.
B.
The Japanese usually bow to greet each other.
C.
The Japanese like to discuss business matters with a drink during the meal.
D.
The Japanese value seniority highly.
【多选题】儿童保护评价由()、()和()综合计算而得。
A.
正面碰撞试验
B.
儿童座椅安装兼容性检查
C.
侧面碰撞试验
D.
头型撞击试验
【单选题】诗句“波斯老贾度流沙,夜听驼铃识路赊(遥远)。采玉河边青石子,收来东国易桑麻”反映了
A.
陆上丝绸贸易
B.
玄奘西行天竺
C.
鉴真东渡日本
D.
郑和七下西洋
【单选题】诗句“波斯老贾度流沙,夜听驼铃识路赊(遥远)。采玉河边青石子,收来东国易桑麻”反映了
A.
陆上丝路贸易
B.
玄奘西行天竺
C.
鉴真东渡日本
D.
郑和七下西洋
【单选题】II. Choose the best answer for the following questions. 1. Which of the following is NOT true about the Japanese?
A.
a.The Japanese are the strictest in their social and business behavior.
B.
The Japanese usually bow to greet each other.
C.
The Japanese like to discuss business matters with a drink during the meal.
D.
The Japanese value seniority highly.
【单选题】www.tsinghua.edu.cn 在这个完整名称里,( )是主机名.
A.
www
B.
tsinghua
C.
edu.cn
D.
cn
【判断题】“Goodbye” is usually put into “886” in the Chinese pronunciation or “3166” as the Japanese Bye-bye.
A.
正确
B.
错误
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