【判断题】Today it is hard for graduates to find a job because there are too many graduates.
【单选题】It is ________ challenge for graduates to get ________ job as unemployment is high nowadays.
【单选题】What is the job market like for college graduates according to the passage?
A.
It is worse than it was last year for all the graduates from universities.
B.
It is especially good for the students who major in liberal arts.
C.
It is not very optimistic for recent graduates in engineering.
D.
It is much better than it was in the past years on the whole.
【单选题】气调养护中当氧的浓度在()%以下时,能有效的防止害虫的产生是
【单选题】For graduates, it is the ability to do the work _____matters most.
【简答题】下列各题中,函数是否相同?为什么?y=2x+1与x=2y+1.y=2x+1与x=2y+1.