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【单选题】
采用薄层色谱检识挥发油,为了能使含氧化合物及不含氧化合物较好地展开,且离成分排列成一条直线,应选择的展开:
A.
径向展开
B.
上行展开
C.
双向二次展开
D.
单向二次展开
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参考答案：
举一反三
【单选题】According to the Wynne-Edwards' theory, epideictic behavior. displays serve the function of
A.
determining roosting aggregations.
B.
locating food.
C.
attracting predators.
D.
regulating sexual activity.
查看完整题目与答案
【单选题】Our college is going to choose some ______ from the graduates to serve the poor village during the summer vacation．
A.
volunteers
B.
firefighters
C.
employers
D.
prisoners
查看完整题目与答案
【简答题】A．Put a little more pepper in the soup. B．Serve the soup as it is said in the recipe. C．Taste the soup to see if it needs some more pepper. D．Check the recipe to see if they followed it correctly.
查看完整题目与答案
【单选题】Mr. Brown has too many meetings to ______.
A.
take
B.
join
C.
attend (出席)
查看完整题目与答案
【多选题】旅行社组团旅游,应当与旅游者签订合同,所签合同的内容应有( )方面的明确约定
A.
旅游行程
B.
旅游价格
C.
游览项目的具体内容
D.
旅游服务监督电话
查看完整题目与答案
【简答题】According to Mr. Brown, this incident has caused49______________to his customers, upon whose
查看完整题目与答案
【多选题】旅行社组团旅游，应当与旅游者签订合同，所签合同的内容应有()方面的明确约定。
A.
旅游行程
B.
旅游价格
C.
游览项目的具体内容
D.
旅游服务监督、投诉电话
查看完整题目与答案
【单选题】( )指商品在运送过程中对原有质量(数量、形状、性能)的保证。
A.
商品质量
B.
物流服务质量
C.
物流工作质量
D.
物流客户
查看完整题目与答案
【单选题】Mr. Brown is a hardworking man and he has achieved great success. ---__________.
A.
so is Mr. Green.
B.
So has Mr. Green
C.
It's the same with Mr. Green.
查看完整题目与答案
【单选题】Mr. Brown has a strong _____ of duty.
A.
sense
B.
emotion
C.
feeling
D.
thought
查看完整题目与答案
相关题目：
【单选题】According to the Wynne-Edwards' theory, epideictic behavior. displays serve the function of
A.
determining roosting aggregations.
B.
locating food.
C.
attracting predators.
D.
regulating sexual activity.
查看完整题目与答案
【单选题】Our college is going to choose some ______ from the graduates to serve the poor village during the summer vacation．
A.
volunteers
B.
firefighters
C.
employers
D.
prisoners
查看完整题目与答案
【简答题】A．Put a little more pepper in the soup. B．Serve the soup as it is said in the recipe. C．Taste the soup to see if it needs some more pepper. D．Check the recipe to see if they followed it correctly.
查看完整题目与答案
【单选题】Mr. Brown has too many meetings to ______.
A.
take
B.
join
C.
attend (出席)
查看完整题目与答案
【多选题】旅行社组团旅游,应当与旅游者签订合同,所签合同的内容应有( )方面的明确约定
A.
旅游行程
B.
旅游价格
C.
游览项目的具体内容
D.
旅游服务监督电话
查看完整题目与答案
【简答题】According to Mr. Brown, this incident has caused49______________to his customers, upon whose
查看完整题目与答案
【多选题】旅行社组团旅游，应当与旅游者签订合同，所签合同的内容应有()方面的明确约定。
A.
旅游行程
B.
旅游价格
C.
游览项目的具体内容
D.
旅游服务监督、投诉电话
查看完整题目与答案
【单选题】( )指商品在运送过程中对原有质量(数量、形状、性能)的保证。
A.
商品质量
B.
物流服务质量
C.
物流工作质量
D.
物流客户
查看完整题目与答案
【单选题】Mr. Brown is a hardworking man and he has achieved great success. ---__________.
A.
so is Mr. Green.
B.
So has Mr. Green
C.
It's the same with Mr. Green.
查看完整题目与答案
【单选题】Mr. Brown has a strong _____ of duty.
A.
sense
B.
emotion
C.
feeling
D.
thought
查看完整题目与答案
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