1.单选题- (共2题)
1.
—The river is becoming dirtier because the steel factory has put waste into it.
—Yes. We must take action to improve the _____.
—Yes. We must take action to improve the _____.
| A．condition | B．pollution | C．position | D．situation |
试卷分析
-
【1】题量占比
单选题:(2道)
-
【2】：难度分析
1星难题：0
2星难题：0
3星难题：0
4星难题：0
5星难题：0
6星难题：2
7星难题：0
8星难题：0
9星难题：0