某研究组获得了水稻的叶黄素缺失突变体，并将其叶片进行了红光照射光吸收测定和色素层析条带分析(从上至下)。与正常叶片相比，实验结果是( )
A. 光吸收差异显著，色素带缺第2条
B. 光吸收差异不显著，色素带缺第2条
C. 光吸收差异显著，色素带缺第3条
D. 光吸收差异不显著，色素带缺第3条
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孙某因交通肇事逃逸致人死亡，则对他的刑事追诉期限应当是__________。
A. 5年
B. 10年
C. 15年
D. 20年
Why do some people become vegetarians
A. They feel that eating animals is unethical.
B. There are fewer livestock available due to the environmental pollution.
C. The consumption of meat will lead to financial problem.
D. Being a vegetarian is beneficial to the protection of water.
At dusk, Mr. Hightower would sit in his old armchair in the backyard and wistfully lose in reminiscence of his youth romances.
A. hopefully
B. reflectively
C. sympathetically
D. irresistibly
“恰似一江春水向东流”出自( )
A. 苏轼《念奴娇》(大江东去)
B. 柳永《八声甘州》(对潇潇暮雨洒江天)
C. 李煜《虞美人》(春花秋月何时了)
D. 李清照《声声慢》(寻寻觅觅)
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