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【单选题】
打火机的主要燃料是丁烷(C 4 H 10 ).下列有关丁烷的说法不正确 的是(  )
A.
从性质上看:丁烷具有可燃性
B.
从变化上看:丁烷完全燃烧只生成水
C.
从组成上看:丁烷由碳、氢两种元素组成
D.
从结构上看:一个丁烷分子由4个碳原子和10个氢原子构成
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【单选题】听力原文: William Shakespeare was christened in the market town of Stratford on Avon, Warwickshire, on April 26, 1564 traditionally his actual birthday was three days earlier, on St. George's day, the sam...
A.
On April 26, 1611.
B.
On April 23, 1611.
C.
On April 26, 1616.
D.
On April 23, 1616.
【单选题】粤方言的代表方言是( )。
A.
广东话
B.
香港话
C.
台湾话
D.
上海话
【单选题】下列化合物中,能形成分子间氢键的是
A.
甲醇
B.
甲醚
C.
乙炔
D.
乙烯
【单选题】听力原文: William Shakespeare was christened in the market town of Stratford on Avon, Warwickshire, on April 26, 1564. Traditionally, his actual birthday was three days earlier, on St. George's day, the s...
A.
On April 26, 1611.
B.
On April 23, 1611.
C.
On April 26, 1616.
D.
On April 23, 1616.
【多选题】下列化合物中,能形成分子间氢键的有
A.
甲醇
B.
乙烷
C.
D.
乙醇
【单选题】听力原文: William Shakespeare was christened in the market town of Stratford on Avon, Warwickshire, on April 26,1564 traditionally, his actual birthday was three days earlier, on St. George's day, the sam...
A.
On April 26, 1611.
B.
On April 23, 1611.
C.
On April 26, 1616.
D.
On April 23, 1616.
【单选题】Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the ...
A.
George himself.
B.
George's wife.
C.
George's father.
D.
George's father-in-law.
【简答题】听短文,回答问题。 1. Who sent George to work when he was 8 years old? A. His uncle. B. His father. C. His teacher. 2. When did George learn to read? A. In 1992. B. In 1994. C. In 1996. 3. Where were the ...
【多选题】下列化合物中,能形成分子间氢键的有
A.
甲酸
B.
苯酚
C.
甲醚
D.
甲醇
【单选题】Q: Who was ill?
A.
George's brother.
B.
George's wife.
C.
George's father.
D.
George's father-in-law.
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