单项选择 较易0.85 引用3 组卷954
The level of the river ___ 20 centimeters over the security line and ____must be taken to control the flood.
A.is measured; measures | B.measures; measurement |
C.measures; measures | D.is measured; measurement |
9-10高一下·黑龙江哈尔滨·期末
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It’s time that we started to consider what ________ we should take to prevent the virus (病毒) from threatening the area.
A.attention | B.measures | C.advantages | D.concern |
If we had taken such effective ________ much earlier, the river would not be polluted so seriously now.
A.treasures | B.efforts |
C.measures | D.concerns |
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