In this section, you will have 10 sentences. Read the four choices after each sentence and choose the right answer to complete the sentence.Human beings have so much _____ and inefficient consumption of natural resources.
A、sufficient
B、efficient
C、wasteful
D、useful

全新版大学进阶英语：视听说教程第二册

章节列表

Unit 1 Education30 Unit 2 Water34 The Big Picture 13 Review 12 Unit 3 Food30 Unit 4 Festivals52 The Big Picture 21 Review 22 Unit 5 Cities32 Unit 6 Jobs43 The Big Picture 33 Review 32 Unit 7 Music36 Unit 8 Journeys44 The Big Picture 43 Review 42 Practice Test One19 Practice Test Two25