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【多选题】
在紫外光照射下, 分子中电子能级跃迁的类型有( )
A.
n→σ*
B.
n→π*
C.
σ→σ*
D.
π→π*
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【多选题】音频时间单位以以下哪些形式显示?
A.
赫兹
B.
毫秒
C.
比特每秒
D.
音频采样
【判断题】在砖墙中设置构造柱的目的就是为了使其与砖墙一起共同 形成空间骨架 。
A.
正确
B.
错误
【简答题】Annie was excrited. Her mother 1 to Beijing today and would be staying with her 2 two weeks. She cleaned her home and thought about 3 some flowers, but there wasn't time. She got in her car, turned on...
【简答题】根据短文内容及首字母提示,填写所缺单词,使短文意思完整。 My family went to a restaurant for dinner one night. When we were walking to the restaurant from our car, a girl about my age and her mother c 小题1: towards us. They asked ...
【简答题】完形填空。 Annie was excited. Her mother 1 to Beijing today and would be staying with her 2 two weeks. She cleaned her home and thought about 3 some flowers, but there wasn't time. She got in her car, turn...
【判断题】RGB颜色模式是基于自然界中3种基色光的混合原理,RGB三个字母分别代表了色彩三原色:红、黄、蓝。
A.
正确
B.
错误
【单选题】引起药物不良反应的原因是
A.
用药量过大
B.
用药时间过长
C.
毒物产生的药理作用
D.
在治疗剂量下产生与治疗目的无关的作用
E.
产生变态反应
【单选题】引起药物不良反应的原因是
A.
用药量过大
B.
毒物产生的药理作用
C.
在治疗量下产生的与治疗目的无关的作用
D.
产生变态反应
【判断题】在砖墙中设置构造柱的目的是为了使其与砖墙一起共同承重。
A.
正确
B.
错误
【单选题】She went inside. At the same time he waited outside.
A.
马上跟着
B.
突然
C.
同时
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