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【单选题】
透射电镜的最高分辨率是A.
0.1～0.2 nm
B.
1.0 ～ 2.0 nm
C.
0.1 ～ 0.2 mm
D.
0.2 μm
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A.
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B.
we didi not want to show our nervousness.
C.
Although we were worried about Jason.
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A.
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B.
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