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【单选题】
下列关于乙烯和乙烷的说法中，不正确的是( )A.
乙烯属于不饱和链烃，乙烷属于饱和链烃
B.
乙烯分子中所有原子处于同一平面上，乙烷分子则为立体结构，所有原子不在同一平面上
C.
乙烯分子中的 和乙烷分子中的碳碳单键相比较，的键能大，键长长
D.
乙烯能使酸性KMnO 4 溶液褪色，乙烷不能
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举一反三
【单选题】对有违反法律法规、《高等学校学生管理规定》、本规定以及学校纪律行为的学生,学校给予批评教育,并视情节轻重,给予如下( )纪律处分。
A.
警告、严重警告
B.
警告、严重警告、记过
C.
警告、严重警告、记过、留校察看
D.
警告、严重警告、记过、留校察看、开除学籍
【判断题】Cuisine in China is, in essence, an expression of Chinese festivals and daily life. It is a harmonious integration of colour, aroma, taste and shape. A Chinese banquet always typifies Chinese culture ...
A.
正确
B.
错误
【单选题】What is the most famous Chinese cuisine in north China according to the text?
A.
Sichuan cuisine.
B.
Guangdong cuisine.
C.
Shangdong cuisine.
D.
Jiangsu cuisine.
【判断题】Sichuan Cuisine or Chuancai, is one of the most widely served cuisine in China. It is well known for its freshness and mildness in the food.
A.
正确
B.
错误
【简答题】piece; integrate; partake; steam; choice; amaze; pleasure; present; aspire; hand Cuisine in China is a harmonious 1) ________ of color, taste, shape and fragrance. For the cooking process, chefs...
【判断题】Anhui cuisine is derived from the native cooking styles of the Yellow Mountains region in China and is similar to Zhejiang cuisine.
A.
正确
B.
错误
【判断题】Sichuan cuisine is one of the Eight Great Cuisines in China and is famous for light and mild seasonings.
A.
正确
B.
错误
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