一项工程实际投资7万元，比计划节省了1万元，实际投资比原计划节省百分之几？
1÷（7+1），
=1÷8，
=12.5%；
答：实际投资比原计划节省百12.5．
以下描述与我国气候特征不符的是[ ]
A、世界上最典型的季风气候区
B、冬季温和多雨，夏季炎热干燥
C、高温季节与多雨季节一致
D、除季风气候外，还有多种多样的其他气候类型
Which of the following shall not the officers in charge of the navigational watch do?（）
A.continue to be responsible for the safe navigation of the ship
B.Leave the bridge
C.Keep the watch on the bridge
D.Use any available navigational aids necessary to ensure that the ship follows the planned course
