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【单选题】
有烷烃比大环烷烃性质活泼的原因,下列解释不正确的是A.
小环烷烃与大环烷中碳原子的杂化状态不同
B.
小环烷烃分子中,碳原子之间形成弯曲键
C.
小环烷烃分子中,碳碳键已偏离的碳碳键角,分子中产生了角张力
D.
大环烷烃分子中产,碳原子可以在接近或维持正常键角的情况下形成碳碳键,因此无角张力,性质较稳定
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【简答题】Question: What can also happen to wealthy people? Answer: _____, _____ and _____ can also happen to wealthy people .
【简答题】O 2 在血液中的主要运输形式是____________,CO 2 在血液中的主要形式是____________。
【简答题】My aunt works in Beijing. I visited her during last summer vacation. Beijing is a beautiful city. A lot of foreigners go sightseeing there. My aunt and I got up early on Saturday morning and we went t...
【简答题】O2在血液中的主要形式是 。
【多选题】What can also happen to wealthy people according to the video?
A.
divorces
B.
kidnappings
C.
suicides
D.
murders
E.
robberies
【简答题】Watch the video clip “Money Can’t Buy
Happiness” and answer the questions: 1) What cannot be bought according to the woman? 2) What can also happen to wealthy people?
【简答题】What can also happen to wealthy people?
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