【判断题】【消耗次数：1】
某些非对映异构体可以是物体与镜像的关系。
①
正确
②
错误
参考答案：
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相关题目
【单选题】
关于同分异构体的下列说法中正确的是（ ）。
①
同分异构体现象是导致有机物数目众多的重要原因之一
②
结构不同，性质相异，化学式相同的物质互称同分异构体
③
同分异构体现象只存在于无机化合物中
④
同分异构体现象只存在于有机化合物中
【单选题】
酮的同分异构体的状况（ ）。
①
只有碳链异构，没有羰基位置异构
②
既没有碳链异构，又没有羰基位置异构
③
没有碳链异构，只有羰基位置异构
④
既有碳链异构，又有羰基位置异构
【单选题】
醛的同分异构体的状况（ ）。
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没有碳链异构，只有羰基位置异构
②
既有碳链异构，又有羰基位置异构
③
既没有碳链异构，又没有羰基位置异构
④
只有碳链异构，没有羰基位置异构
随机题目
【单选题】
I went to the doctor’s yesterday. I had to wait for half an hour before he ___ see me.
①
?can
②
?may
③
?might
④
?could
【单选题】
If they ___ to do this work, he might do it some other way.
①
were
②
should
③
will
④
can
【单选题】
He was a good swimmer so he ___ swim to the river bank when the boat sank.
①
could
②
might
③
should
④
was able to
【单选题】
No sooner ___ he arrived home than he ___ to start on another journey.
①
has; was asked
②
have; were asked
③
had; is asked
④
had; was asked
【单选题】
This book is ______ that one, but ______ than that one.
①
as difficult as; expensive
②
as more difficult as; more expensive
③
as difficult as; more expensive
④
more difficult as; as expensive
【单选题】
I think the story is not so ______ as that one.
①
Interesting
②
interested
③
more interesting
④
most interesting
【单选题】
This box is ______ that one.
①
heavy than
②
so heavy than
③
heavier as
④
as heavy as
【单选题】
These children are ______ this year than they were last year.
①
more tall
②
more taller
③
very taller
④
much taller