Seriously weakened by the payment of a huge ____to the victors, France yielded her place as first power of Europe to Germany.
A. compensation
B. indemnity
C. allowance
D. monetary
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Connie went into the kitchen, picked up the plates filled with food and ____them against the sink.
A. crushed
B. crashed
C. cracked
D. smashed
()首先提出了物联网的雏形。
A. 比尔盖茨
B. 杨志强
C. 乔布斯
D. 彭明盛
能区别甾体皂苷和酸性三萜皂苷的反应是
A. 三氯化铁反应
B. 醋酐-浓硫酸反应
C. 泡沫试验
D. 溶血反应
三萜皂苷元由多少个碳原子组成
A. 27
B. 30
C. 23
D. 24
E. 21