[填空题]A child would think that his father was doing something very meaningful.

A father’s relationship to his child’s current and future academic success and the level of his or her development in academic potential and scholastic achievement are both factors with some rather interesting implications that educators are beginning to study and appraise. As a matter of fact, "life with father", has been discovered to be a very important factor in determining a child’s progress or lack of progress in school.
A recent survey of over 16,000’ children made by the National Child Development Study in London, England, revealed that children whose fathers came to school conferences and accompanied their children on outings did measurably better in school than did those children x, hose fathers were not involved in these activities. The study, which monitored children born during a weekMarch, 1958, from the time of their birth through the years of their early schooling, further revealed that the children of actively involved fa
A. children in large families tend to do poorly in school
B. a father’s influence played a significant factor in the level of the child’s academic progress
C. mothers were subjective in evaluating the roles played by fathers
D. there is a correlation between socio-economic status and scholastic achievement

It is a wise father that knows his own child, but today a man can boost his paternal (fatherly) wisdom—or at least confirm that he’s the kid’s dad. All he needs to do is to shell out $30 for paternity testing kit (PTK) at his local drugstore — and another $120 to get the results.
More than 60000 people have purchased the PTKs since they first become available without prescriptions last year, according to Doug Fogg, chief operating officer of Identigene, which makes the over-the-counter(无需处方的) kits. More than two dozen companies sell DNA tests directly to the public, ranging in price from a few hundred dollars to more than $2500.
Among the most popular: paternity and kinship(亲属关系) testing, which adopted children can use to find their biological relatives and families can use to track down kids put up for adoption. DNA testing is also the latest rage among passionate genealogists (系谱学者)— and supports businesses that offer to search for
A. Fors and Againsts of DNA Testing
B. DNA Testing and Its Problems
C. DNA Testing Outside the Lab
D. Lies Behind DNA Testing