问题
选择题
The level of the river ___ 20 centimeters over the security line and ____must be taken to control the flood.
A．is measured; measures
B．measures; measurement
C．measures; measures
D．is measured; measurement
答案
答案：C
考查动词用法。measure作不及物+长度，高度，宽度，面积，等等数字及其单位，注意：可译为：长……宽……高……多少。第二空考查短语take measures to采取措施，故选C。