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【多选题】
动物口腔检查主要检查的内容有( )
A.
口腔内气味
B.
口腔的温度
C.
口腔粘膜的颜色
D.
口腔的湿度
E.
舌苔及牙齿
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参考答案：
举一反三
【单选题】According to the given article, which of the following statements is NOT true?
A.
Pop music is being blamed by the United Nations for the dramatic rise in drug abuse worldwide.
B.
Pop music is by far the most influential trend-setter for young people of most cultures.
C.
The UN study also blames the media for its description of certain drug issues— especially the use of marijuana and issues of liberalization and legalization.
D.
The present study focuses on the issue of demand increase and prevention within an environment that has become tolerant of drug abuse.
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【单选题】The main idea of the last paragraph is
A.
the treatment of the skin cancer.
B.
the prevention of the skin cancer.
C.
the parts of the body where cancer is most likely to develop.
D.
the lotions that work best in fighting against the skin cancer.
查看完整题目与答案
【单选题】He became a famous writer when he was ______ .
A.
in his fifty
B.
in his fifties
C.
in fifty years old
查看完整题目与答案
【单选题】He ________ to swim when he was five.
A.
can
B.
could
C.
can be able
D.
was able
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【单选题】药物中控制菌检查主要包括大肠埃希氏菌、沙门氏菌和( )等。
A.
金黄色葡萄球菌
B.
细菌
C.
霉菌
D.
酵母菌
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【多选题】以下( )可以作为紫外-可见分光光度法定性的依据。
A.
比较吸收光谱的形状
B.
比较最大吸收波长
C.
比较吸光系数值
D.
比较各吸收峰的波长位置
E.
比较吸收峰的数目
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【简答题】（1）具有明显现象的官能团特征反应常被用来鉴定化合物． ①欲区分CH 3 CH 2 OH和CH 3 CHO，应选用______（填字母）． A．NaOH溶液               B．银氨溶液                C．盐酸 ②欲区分 和 应选用______ （填字母）． A．KMnO 4 溶液               B．溴水                   C．Na 2 ...
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【单选题】在室温下,随含碳量的增加,亚共析钢中的 增加。
A.
铁素体
B.
奥氏体
C.
珠光体
D.
莱氏体
查看完整题目与答案
【单选题】紫外—可见光光度法的定性依据为
A.
机械能守恒定律
B.
胡克定律
C.
反射定律
D.
朗伯-比尔定律
E.
牛顿定律
查看完整题目与答案
【单选题】紫外 — 可见光光度法的定性依据为( )
A.
机械能守恒定律
B.
胡克定律
C.
朗伯 - 比尔定律
D.
反射定律
查看完整题目与答案
相关题目：
【单选题】According to the given article, which of the following statements is NOT true?
A.
Pop music is being blamed by the United Nations for the dramatic rise in drug abuse worldwide.
B.
Pop music is by far the most influential trend-setter for young people of most cultures.
C.
The UN study also blames the media for its description of certain drug issues— especially the use of marijuana and issues of liberalization and legalization.
D.
The present study focuses on the issue of demand increase and prevention within an environment that has become tolerant of drug abuse.
查看完整题目与答案
【单选题】The main idea of the last paragraph is
A.
the treatment of the skin cancer.
B.
the prevention of the skin cancer.
C.
the parts of the body where cancer is most likely to develop.
D.
the lotions that work best in fighting against the skin cancer.
查看完整题目与答案
【单选题】He became a famous writer when he was ______ .
A.
in his fifty
B.
in his fifties
C.
in fifty years old
查看完整题目与答案
【单选题】He ________ to swim when he was five.
A.
can
B.
could
C.
can be able
D.
was able
查看完整题目与答案
【单选题】药物中控制菌检查主要包括大肠埃希氏菌、沙门氏菌和( )等。
A.
金黄色葡萄球菌
B.
细菌
C.
霉菌
D.
酵母菌
查看完整题目与答案
【多选题】以下( )可以作为紫外-可见分光光度法定性的依据。
A.
比较吸收光谱的形状
B.
比较最大吸收波长
C.
比较吸光系数值
D.
比较各吸收峰的波长位置
E.
比较吸收峰的数目
查看完整题目与答案
【简答题】（1）具有明显现象的官能团特征反应常被用来鉴定化合物． ①欲区分CH 3 CH 2 OH和CH 3 CHO，应选用______（填字母）． A．NaOH溶液               B．银氨溶液                C．盐酸 ②欲区分 和 应选用______ （填字母）． A．KMnO 4 溶液               B．溴水                   C．Na 2 ...
查看完整题目与答案
【单选题】在室温下,随含碳量的增加,亚共析钢中的 增加。
A.
铁素体
B.
奥氏体
C.
珠光体
D.
莱氏体
查看完整题目与答案
【单选题】紫外—可见光光度法的定性依据为
A.
机械能守恒定律
B.
胡克定律
C.
反射定律
D.
朗伯-比尔定律
E.
牛顿定律
查看完整题目与答案
【单选题】紫外 — 可见光光度法的定性依据为( )
A.
机械能守恒定律
B.
胡克定律
C.
朗伯 - 比尔定律
D.
反射定律
查看完整题目与答案
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