They to know some English if they want to set foot in the field of IT.
A:need
B:like
C:must
D:stick
There will be _______ jobs for people because some robots will do the same jobs as people.
为了“探究加速度与力、质量的关系”,现提供如图甲中所示实验装置.请思考探究思路并回答下列问题:
1938年希特勒曾说:“……三年前我们曾派小股部队进军莱茵兰,那是我事事都要冒险的时候。那时如果法国出来阻止我们,我们只有撤退……”。德军进人“莱茵兰”,法国可以阻止的依据是( )