【单选题】大学生应当树立的科学就业观,科学就业观具备导向性、目的性、( )、可发展性等四个特征。
【单选题】旅行社要做好对导游人员考核,首先应该( )
【单选题】三相异步电动机的自耦变压器减压起动是()。
【单选题】Why does the woman go to the campus newspaper office?
A.
She wants to thank the editor for helping her get a job.
B.
She would like the editor's opinion of a story she wrote.
C.
She is inquiring about writing arts reviews for the paper.
D.
She is asking the editor to endorse a sample of her writing.
【单选题】以下关于增强子的叙述错误是
D.
增强子在基因的上游或下游均对基因的转录有增强作用
【判断题】贾宝玉与林黛玉的忧郁惆怅常常包含着对命运和存在的忧患。()