正确答案:
题目:草本植物群落形成后,大型动物开始定居繁殖。( )
解析:×
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举一反三的答案和解析:
[单选题]______,Mr. Brown saw the washing machine which had been repaired go wrong again.
To his surprise
解析:16.答案为A 参考译文;布朗先生看到修理好了的洗衣机又出毛病,他感到很惊讶。不定式作状语,to one's surprise意思是“出乎意外、使某人感到震惊”。
[单选题]依据我国《婚姻法》的有关规定,可撤销婚姻的撤消事由是( )
因胁迫而结婚
解析:婚姻行为也是一种民事法律行为。当结婚的意思表示不真实,也将产生可撤销的后果,一经撤销,行为自始无效。但婚姻不同于一般的民事法律行为,其撤销理由婚姻法第11条明确规定,只有胁迫一种理由。所以,选择D项。
[单选题]In the last sentence of the second paragraph, "the higher places on earth" refers to ______.
the great continent
解析:44.答案为D。根据第二段最后一句及第三段第一句,covering its whole surface except for the higher places on earth that had been formed from the lighter rock materials.In 1970,scientists had pieced together evidence that the lighter rock materials had formed one huge continent by a vast ocean可知“较高的地方”不可能指选项B和C;选项A文中未提及。
[单选题]下列哪一种酶与肾小管重吸收HCO3-和分泌H+有关 ( )
碳酸酐酶
[单选题]民族资产阶级是中国近代民族民主革命的
基本动力之一