大学英语四六级 | 六级阅读套路 练习8

CET6 阅读套路

CET6 Reading Drill (8)

Name: __________ Date: __________ Score: __________

Section A: Banked Cloze (10 blanks, 10 points)

Directions: Fill in each blank with a word from the list.

The global transition toward renewable energy has gained unprecedented momentum in recent years. However, the (1)______ of integrating intermittent sources like solar and wind into existing power grids remains a significant technical (2)______. Unlike traditional power plants that can be (3)______ on to produce electricity on demand, renewable sources are inherently variable, dependent on weather conditions that are beyond human (4)______.