A.At an airport. |
B.At a hotel. |
C.At a cinema. |
D.At a station. |
A.Forty yuan. | B.Thirty yuan. | C.Thirty-five yuan. | D.Forty-five yuan. |
A.A painter. | B.A tailor. | C.A hair-dresser. | D.An architect. |
4 .
A.Twice a day. | B.Thirty minutes a day. |
C.Twice a week. | D.Thirty minutes a week. |
A.The man should exercise first after he gets up. |
B.The man can exercise for many times a day. |
C.The man should first prepare his breakfast. |
D.The man can exercise when he has time. |
A.She feels a little bit disappointed. |
B.She is thinking of moving to the south. |
C.She wonders where the Browns are going. |
D.She has found a new way to contact the Browns. |
A.His phone was disconnected outside the country. |
B.He needs to make phone calls to his friends. |
C.Using the e-mail will decrease his telephone expenses. |
D.His friends would rather hear his sound on the phone. |
A.A big travel agency. | B.A job opportunity. |
C.An inexperienced salesman. | D.A position as general manager. |
A. involving B. distinguish C. adapted D. tailored E. medium F. gains G. partially H. amazing I. definitely J. steer K. implications |
Genes That Make You Smarter
The contributions genes make to intelligence increase as children grow older. This goes against the idea most people hold that as we age, environmental influences gradually overpower the genetic legacy (遗产) we are born with and may have
“People assume the genetic influence goes down with age because the environmental differences between people pile up in life,” says Robert Plomin. “What we found was quite
Previous studies have shown variations in intelligence are
Plomin’s team calculated in childhood, genes account for about 4l percent of the variation in intelligence. In adolescence, this rose to 55 percent; by young adolescence, it was 66 percent.
No one
Is there any way to interfere with the pattern? Perhaps. “The evidence of strong heritability (遗传可能性) doesn’t mean that there is nothing you can do about it,” says Susanne Jaeggi, “from our own work, the ones that started off with lower IQ scores had higher
Plomin suggests genetic differences may be more emphasized if all children share an identical curriculum instead of it being
Intelligence researchers Paul Thompson agrees: “It shows that educators need to