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【单选题】
所谓质 - 核不育是由质 - 核中相应基因的互作而引起的,水稻杂种优势利用中成功地利用了这种雄性不育,对于如下基因型哪些能组成理想的三系配套()。A.
S(rr)、 S(Rr)、 S(RR)
B.
N(rr)、 N(RR)、 N(Rr)
C.
S(rr)、 S(RR)、 N(rr)
D.
S(rr)、 N(Rr)、 N(RR)
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【单选题】To test the validity of your selection device for widget makers, you have given it to the present widget makers in your company and correlated it with their latest performance appraisal scores. What t...
A.
Predictive criterion-related validation
B.
Content validation
C.
Concurrent criterion-related validation
D.
Utility
【多选题】对于启发式图搜索策略，下面叙述正确的是（ ）
A.
估价函数中，从初始结点到 n 结点的实际代价的比重越小，越倾向于宽度优先搜索方式
B.
估价函数中，从初始结点到 n 结点的实际代价的比重越大，越倾向于宽度优先搜索方式
C.
估价函数中，从 n 结点到目标结点的最佳路径的估计代价的比重越小，越倾向于启发式搜索方式
D.
估价函数中，从 n 结点到目标结点的最佳路径的估计代价的比重越大，越倾向于启发式搜索方式
【单选题】The number 4. 123 is read__________.
A.
four thousand one hundred and twenty-three
B.
four thousand and one hundred twenty-three
C.
four thousand and a hundred and twenty-three
【简答题】There are all together 13 tips mentioned in the article. Tell one of your photo-taking experiences. Choose the one involving matching behaviors to the tips which made you cheerful because of the ama...
【单选题】You manage a department of five employees. You have identified that Joe has high need for achievement, Mary has high need for power, and Tim has high need for affiliation. Sarah scored high on the nee...
A.
Joe
B.
Mary
C.
Tim
D.
Sarah
E.
Doug
【单选题】为增强涂膜防水层的抗拉能力,改善防水性能,在涂膜防水层施工时,一般采取哪种措施( )。
A.
提高涂料耐热度
B.
涂料中掺入适量砂子
C.
增加涂膜厚度
D.
铺设胎体增强材料
【简答题】Listen and number. (听录音，给下列图片排序) 1. ( ) 2. ( ) 3. ( ) 4. ( ) 5. ( )
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