[填空题]Juvenile delinquency is the subject of this new social research techniques, which is different from the previous studies.

[填空题]Juvenile delinquency is the subject of this new social research techniques, which is different from the previous studies.

[填空题]What subject will the new teacher teach ______ and other courses for senior classes.

[单项选择]The company intends to launch some new products so as to （） different age groups.
A. stick to
B. contribute to
C. appeal to
D. turn to

[单项选择]Researchers found family influenced delinquency. Attachment and involvement were both (47)______ related to delinquency. Children who were more (48)______ to and involved with their parents were less involved in delinquency. The relationship between family process factors and delinquency was (49)______ — poor parenting increased the probability of delinquent behavior and delinquent behavior further weakened the relationship between parent and child. The impact of family variables appeared to fade as adolescents became older and more (50)______ from their parents. Additionally, researchers (51)______ the relationship between educational factors and delinquency and drug use and found that weak school commitment and poor school (52)______ were associated with increased involvement in delinquency and drug use. School success was associated with resilience. Youth who (53)______ delinquency and drug use were more attached to school and teachers and had better performance scores than y

[单项选择]Colleges in the US have added a new subject, “great chemistry”, to their curriculum today. “Green chemistry (53) how we can develop products that won’t (54) the environment,” explains Paul Anastas, director of Yale University’s Center for Green Chemistry and Green Engineering, opened at the beginning of this year. The American Chemical Society, (55) approves more than 600 college chemistry programs, only lists about a dozen that teach green chemistry. But that (56) is growing.
Cambridge College in Massachusetts is offering “ an introduction to green chemistry” course this gall and is offering the nation’s first bachelor’s and master’s (57) in green chemistry. The program will have classes in environmental science and even environmental (58) and policy. These subjects are not (59) taught to chemistry major.
Employers (60) the introduction of green chemistry. Businesses are increasing seeking graduates (61)
A. titles
B. degrees
C. status
D. ranks