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【简答题】
读短文，判断正误。 My uncle, aunt and cousin live in Canada. Last summer, they came to visit us. First, they flew from Canada to Guangzhou, then they took a bus to our city. We were all happy. We showed them around the city and they also went to the City Park. We also went hiking in the mountains together. We were all very happy and they took many pictures. They had a great time! ( ) 1. My uncle and his family live in Guangzhou. ( ) 2. We saw my uncle's family last summer. ( ) 3. They came to Guangzhou by bus. ( ) 4. They went swimming in the park. ( ) 5. They went hiking with us.
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皮皮学刷刷变学霸
举一反三
【单选题】硫喷妥钠的鉴别反应是
A.
与甲醛-硫酸反应显玫瑰红色
B.
能使溴试液褪色
C.
与亚硝基铁氰化钠反应显蓝紫色
D.
与香草醛反应生成棕红色产物
E.
与铜吡啶试液反应显绿色
【单选题】专业、专业标准、课程标准三者之间的关系正确的是( )。
A.
专业 专业教学标准 课程标准
B.
专业教学标准 专业 课程标准
C.
课程标准 专业教学标准 专业
D.
以上都不对
【单选题】司可巴比妥的鉴别反应是
A.
与甲醛-硫酸反应显玫瑰红色
B.
能使溴试液褪色
C.
与亚硝基铁氰化钠反应显蓝紫色
D.
与香草醛反应生成棕红色产物
E.
与铜吡啶试液反应显绿色
【单选题】Do you deny people have been phoning you and e-mailing you constantly to complain about the toys?
A.
a
B.
b
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