选词填空：carry out, be full of, be different from, difference between

1.The main unit of a computer __________ electronics.
2.We should do our best to _________ the plan.
3.There are many________ the two robots.
4.The two robots _________ each other.

1.is full of be full of充满，经常可与be filled with互换
2.carry out实行、实施
3.differences between二者之间的不同
4.are different from be different from与……不同

is full of carry out differences between are different from 再看看别人怎么说的。

1.is full of 2.carry out 3.differences between 4.are different from 祝你进步

1 is full of 2 carry out 3 differences between 4 are different from