翻译:
1.As we all know,houses are assumed to be at rest with respct to the earth but the earth itself is not motionless.
2.San francisco是哪个地方
3.Care should be taken to decreose the length of time that one is subjected to lond continuous.
4.Culturd life in England takes so many forms that a brief summarycan only attempt to suggest its variety.
3.Care should be taken to decrease the length of time that one is subjected to lend continuous noise.