2021-09-15到2021-11-30
每周周末更新
Unit 4 Life at fingertips Unit test
1、 Part 1: Vocabulary and sentence structureA(n) _____ 60% of the water already goes towards agriculture.
A:calculation
B:estimate
C:judgement
D:assessment
答案: estimate
2、 Carbon dioxide, which makes a ______ between us and the sun, prevent heat from getting out of the the atmosphere easily, so the earth is becoming warmer.