【单选题】

Some personal characteristics play a vital role in the development of one’s intelligence.But people fail to realize the importance of cultivating these factors in young people.

The so-called "non-intelligence factor" include (21) feelings, will, motivation, interests and habits.After a 30-year follow-up study of 8,000 males,American psychologists (22) that the main cause of disparities in intelligence is not intelligence (23) , but non-intelligence factors including the desire to learn, will-power and self-confidence.
(24) people all know that one should have definite objectives, a strong will and good learning habits, quite a number of teachers and parents don’t pay much attention to (25) these factors.
Some parents are greatly worried (26) their children fail to do well in their studies. They blame either genetic factors, malnutrition, or laziness, but they never take (27) consideration these non-intelligence factors.At the same time, some teachers don’t inquire into these, such as reason (28) students do poorly. They simply give them more course and exercises, or (29) rebuke or ridicule them.After all, these students lose self-confidence. Some of them just feel defeated and (30) themselves up as hopeless. Others may go astray because they are sick of learning. (31) investigation of more than 1,000 middle students in Shanghai showed that 46.5 percent of them were (32) of learning because of examination, 36.4 percent lacked persistence, initiative and conscientiousness and 10.3 percent were sick of learning.
It is clear (33) the lack of cultivation of non-intelligence factors has been a main (34) to intelligence development in teenagers. It even causes an imbalance between physiological and (35) development among a few students.
If we don’t start now to (36) the cultivation of non-intelligence factors, it will not only obstruct the development of the (37) of teenagers, but also affect the quality of a whole generation. Some experts have put forward (38) about how to cultivate student’s non-intelligence factors.
First, parents and teachers should (39) understand teenage psychology. On this basic, they can help them to pursue the objectives of learning, (40) their interests and toughening their willpower.
A．projects
B．warnings
C．proposals
D．decision