A. it is not easy to understand the things that excite and frustrate scientists
B. science affects almost every aspect of our life
C.scientists live in a specific subculture
D.it is easier to understand general characteristics of science
A. the University of Moscow
B. the University of California
C. the University of Maryland
D. Stanford University
A.A国的儿童人数多于B国
B.题于中缺乏足够的条件,对A国和B国的丈夫们对自已有学龄前儿童的妻子出外工作的支持率进行确定性的比较
C.A国的丈夫们对自己有学龄前儿童的妻子出外工作的支持率低于B国的文夫们
D.B国的丈夫们对自己有学龄前儿童的妻子出外工作的支持率低于A国的丈夫们
A. English is a sexist language
B. only in the scientific world the role of women is increasing rapidly
C. women are making significant contributions to eliminating the inadequacy of our language
D. male nouns or pronouns should not be used to refer to scientists
A. was born into a rich merchant family
B. was once a student in Stanford University
C. published some academic articles when young
D. was Brin's important partner in starting Google
A.数据定义语言
B.数据管理语言
C.数据操纵语言
D.数据控制语言