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【简答题】
An introductory sentence for a brief summary of the passage is provided below. Complete the summary by selecting the THREE answer choices that express the most important ideas in the passage. Some sentences do not belong in the summary because they express ideas that are not presented in the passage or are minor ideas in the passage. This question is worth 2 points. In order to settle family problems, Wyoming passed the Maintenance of Parents Bill, which has a far reaching influence. Answer Choices (A)It would give legal teeth to the moral obligation to support ones parents. (B)It will not allow a person to apply to the court for maintenance from any or all of his children. (C)The Maintenance of Parents Bill generated discussion. Several members of the Parliament opposed the measure. (D)A father can be compelled by law to maintain his children. A husband can be forced to support his wife. (E)It helps Wyoming provide incentives to show morality up. (F)It makes those who are inclined to shirk their responsibilities think twice.
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举一反三
【简答题】某元素的特征光谱中含有波长分别为λ1=450nm和λ2=750nm(1 nm=10-9 m)的光谱线。在光栅光谱中,这两种波长的谱线有重叠现象,重叠处λ2的谱线的级数将是()。 (A) 2,3,4,5… (B) 2,5,8,11… (C) 2,4,6,8… (D) 3,6,9,12…
【单选题】某元素的特征光谱中含有波长分别为λ1=450nm和λ2=750nm的光谱线,在光栅光谱中,这两种波长的谱线有重叠现象,重叠处的谱线的级数是:
A.
2,3,4,5,…。
B.
2,5,8,11,…。
C.
2,4,6,8…。
D.
3,6,9,12,…。
【单选题】某元素的特征光谱中含有波长分别为λ 1 =4500Å和λ 2 =7500Å的光谱线,在光栅光谱中这两种波长的谱线有重叠现象,重叠处λ 2 的谱线级数将是:
A.
2 、3、4、5、……
B.
2 、5、8、11 、 ……
C.
2 、4、6、8 、 ……
D.
3 、6、9、12 、 ……
【单选题】某元素的特征光谱中含有波长分别为λ1=450nm和λ2=750nm(1nm=10-9m)的光谱线。在光栅光谱中,这两种波长的谱线有重叠现象,重叠处λ2的谱线的级数将是( )。
A.
2,3,4,5…
B.
2,5,8,11…
C.
2,4,6,8…
D.
3,6,9,12…
【简答题】新能源汽车是指采用新型动力系统,完全或者主要依靠新型能源驱动的汽车,主要包括( )、插电式混合动力汽车和燃料电池汽车。
【判断题】新型能源汽车是指采用新型动力系统,完全或主要依靠新型能源驱动的汽车主要包括纯电动汽车、混合动力汽车及燃料电池汽车等。
A.
正确
B.
错误
【单选题】某元素的特征光谱中含有波长分别为λ 1 =450nm和λ 2 =750nm的光谱线,在光栅光谱中,这两种波长的谱线有重叠现象,重叠处的谱线的级数是:
A.
2,3,4,5,…。  
B.
2,5,8,1l,…。
C.
2,4,6,8…。  
D.
3,6,9,12,…。
【单选题】(2013·高考湖南卷)“What do you want to be?”asked Mrs.Crawford.“Oh,I________president,”said the boy,with a smile.
A.
have been
B.
am
C.
was
D.
will be
【判断题】新能源汽车,是指采用新型动力系统,完全或者主要依靠新型能源驱动的汽车,包括纯电动汽车、插电式混合动力(含增程式)汽车、燃料电池汽车。
A.
正确
B.
错误
【单选题】某元素的特征光谱中含有波长分别为λ1=450nm和λ2=750nm的光谱线.在光栅光谱中,这两种波长的谱线有重叠现象,重叠处λ2的谱线的级数将是( ).
A.
2,3,4,5,…
B.
2,5,8,11,…
C.
2,4,6,8,…
D.
3,6,9,12,…
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