正确答案: A
日月升落
题目:昼夜更替,潮起潮落,地球自转运动产生了许许多多的自然现象。在下列现象中,可以成为地球自转的证据是
解析:A
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举一反三的答案和解析:
[单选题]下列性状( )最为进化。
孔纹导管
[单选题]对易燃、易爆、易腐蚀等危险性药品要( )。
注意安全、另设仓库、单独存放
[单选题]湖泊消亡引起了湖区自然景观的变化,这反映了自然环境的
整体性
[单选题]BHaving a husband means an extra seven hours of housework each week for women, according to a new study. For men, getting married saves an hour of housework a week. “It’s a well-known pattern,” said lead researcher Frank Stafford at University of Michigan’s Institute for Social Research. “Men usually work more outside the home, while women take on more of the housework.”
is the main breadwinner D. is the master of the house
[单选题]下列有关细胞结构和功能的叙述,正确的是
在植物细胞有丝分裂末期高尔基体参与细胞壁形成
[单选题]CPeople from East Asia tend to have more difficulty than those from Europe in distinguishing facial expressions--and a new report published online in Current Biology explains why.
pay equal attention to the eyes and the mouth