室内白平衡
参考答案：室内白平衡或称为多云、阴天白平衡，适合把昏暗处的光线调置原色状态。
(2013·天津，6)We have launched another man－made satellite，________is announced in today's newspaper.
A．that
B．which
C．who
D．what
行车速度200-250km/h（不含）区间正线有砟道床砟肩堆高为（）m。
A.80
B.90
C.100
D.150
