9513-465-635-113的值是( )
A.8275
B.8270
C.8300
D.8370
参考答案:C
用正确的颜色填空。
1. An orange is .
2. The sky (天空) is .
3. A blackboard is .
4. The grass (草) is .
5. The snow is .
6. A banana is .
7. An apple is .
8. A grape is .
我国《室内空气质量标准(GB/T18883-2002)》规定要求,新风量()。
A.≤20m/(h·人)
B.≥20m/(h·人)
C.≤30m/(h·人)
D.≥30m/(h·人)
E.≥40m/(h·人)