A:①②③
B:①②④
C:①③④
D:②③④
下列说法正确的是( )
①a处在冷锋后冷气团控制下②d处在暖锋后冷气团控制下③c处在连续性的降水天气④b比a气温高气压低
I think life will be different in the future. People 1live under the sea or on the moon. They can fly to the moon in a short time 2 spaceship. People will travel to other planets too. Robots will3all the housework for people. They can even take care 4 babies for people. No one will 5newspapers. All the people "see" news with a pair of special glasses.