2. 外语
  3. Pure science, leading to the construction of a microscope, ______.

Pure science, leading to the construction of a microscope, ______.

admin2010-02-19  75
问题 Pure science, leading to the construction of a microscope,  ______.
选项 A、may lead to antiscientific, "impure" results
B、necessarily precedes applied science, leading to the discovery of a cell
C、is not always as pure as we suppose
D、necessarily results from applied science and the discovery of a cell
答案B
解析 stumble结结巴巴；rumble咕哝，自言自语；tumble摔倒，跌倒；jumble搞乱。
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