问题
选择题
Scientists have created the world’s smallest "snowman",_____ about a fifth of the width of a human hair．
A．measures
B．measuring
C．measured
D．to measure
答案
答案：B
考查现在分词作定语。measure 意为量起来为，没有被动语态，科学家们已经创造出了世界上最小的雪人，量起来为一个人的头发宽度的五分之一。measuring在句中作定语，相当于定语从句which measures，故选B。