【简答题】根据本课程,科研选题应遵循的原则包括()。 A.价值性原则 B.可行性原则 C.经济性原则 D.创新性原则 E.以上都是正确的
【单选题】n general, the best way for replacement of lamp is _____.
A.
after the point is reached at which the failures begin to increase rapidly
B.
before the point is reached at which the failures begin to increase rapidly
C.
before the point is reached at which the failures begin to increase slowly
D.
after the point is reached at which the failures begin to increase slowly
【单选题】Which of the following is the same as the underlined part in the example? The point is, many parents do this habitually.
A.
He was determined to prove this point .
B.
Of course everyone may do this, but that is not the point .
C.
At some point during the vocation, he wanted to go back home.
D.
This is only true up to a point .
【单选题】南京大学地理学本科生可以参加丰富的科研训练,主要包括“_____”和“本科生基础学科人才培养科研训练”项目。
【单选题】南京大学地理学本科生可以参加丰富的科研训练,主要包括“_____”和“本科生基础学科人才培养科研训练”项目。
【单选题】德国联邦教研部在( )柏林授予包括两名中国抉择在内的全球25名青年科研人员"绿色精英奖”,以表彰他们在可持续发展领域的创新研究。
【多选题】以下对于金融恐慌的理解,正确的有(多选):