问题
选择题
Scientists have created the world's smallest "snowma", _______ about a fifth of the width of a human
hair. [ ]
A. measuring
B. measures
C. measured
D. to measure
答案
答案：A
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Scientists have created the world's smallest "snowma", _______ about a fifth of the width of a human
hair. [ ]
A. measuring
B. measures
C. measured
D. to measure
答案：A