题目
7 [单选题] The doctor couldn't explain the () of the high temperature. A. persistent B. persistence C. persist D. persisted
7 [单选题] The doctor couldn't explain the () of the high temperature.
A. persistent
B. persistence
C. persist
D. persisted
A. persistent
B. persistence
C. persist
D. persisted
题目解答
答案
本题考察词性辨析。句中“the () of”需填入名词。“persistent”为形容词，排除；“persist”和“persisted”为动词形式，不符合要求；“persistence”为名词，表“持续性”，可构成“the persistence of...”。完整句子为“The doctor couldn't explain the persistence of the high temperature.”。
答案：B. persistence