Researchers cannot （) the possibility that Earth may one day run out of its orbit.

In machinery space, the valves, pipes should be .A.arranged as close to each other as poss

How do the researchers conduct the study？ 查看材料A.By

Yesterday my uncle bought some new ______ for his flat at the seaside.A．possessionB．posses

According to the professor, what have the researchers agreed on？A．The rocks cannot move af

Former US President Franklin Roosevelt once said that "Happiness lies not in the mere poss

You______ more patient with that customer; I am sure that selling him the watch was a poss