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【单选题】
在 310nm时, 如果溶液的百分透射比是90%,在这一波长时的吸收值是( )
A.
1
B.
0.05
C.
0.9
D.
0.1
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皮皮学刷刷变学霸
举一反三
【单选题】下列各项中,不符合原文意思的一项是( )。
A.
5万年前人类祖先爆发的一场艺术、文化以及个体表达上的革命始于一场基因突变,人类大脑产生了变化
B.
基因突变使人类开始有了“自我意识”,开始装饰自己的形体外表,创造抽象艺术。当然,这些文化的进步是渐进式的,有快慢之分的
C.
“语言基因”控制着人类的语言能力和创造力,诱发了人类文化崭新模式的出现,促进了现代生物科技的发展
D.
在科学家观察的家庭中,所有患语言理解和表达困难疾病的人都拥有一个使得FOXP2基因失活的突变
【单选题】The questions are based on the video you've just watched. 1. We know how America is understood and experienced by asking ___.
A.
experts on Amercian affairs
B.
visitors to USA
C.
visitors to USA and Canada
D.
people all around the world
【多选题】Based on the video, what are the problems the working women in South Korea are still facing?
A.
They have difficulties in taking care of children in elementary school.
B.
Some women feel a strong sense of guilt.
C.
They are less well paid although they have the same education with men.
D.
Their status has been greatly improved in labor market.
【单选题】人类的教育活动与动物的教育活动存在本质区别,这主要表现为人类的教育具有:
A.
延续性
B.
模仿性
C.
社会性
【单选题】人类的教育活动与动物的教育活动存在本质区别,这主要表现为人类的教育具有()
A.
延续性
B.
社会性
C.
模仿性
D.
永恒性
【判断题】人类的教育的活动与动物存在本质的区别,这主要表现为人类教育具有永恒性。()
A.
正确
B.
错误
【单选题】Based on the video class, which is NOT included in the four kinds of topics according to different methods of generating?
A.
Self-generated topics
B.
Audience-generated topics
C.
Experience-generated topics
D.
Research-generated topics.
【单选题】人类的教育活动与动物的教育活动存在本质的区别,这主要表现为人类的教育具有( )。
A.
延续性
B.
模仿性
C.
社会性
D.
永恒性
【单选题】人类的教育活动与动物有本质的区别,这主要表现为人类的教育具有( )
A.
延续性
B.
模仿性
C.
社会性
D.
永恒性
【多选题】Based on the video, choose all the correct answers from the following choices According to Bill Gates, what will lead to the global failure in stopping the next epidemic after Ebola? In other words, w...
A.
the lack of surveilance data about the viruses and diseases
B.
the lack of ready-to-go epidemiologists, medical teams, health workers and volunteers.
C.
the delayed case reports
D.
the lack of money
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