When scientists studied intelligence and ability in twins, they found that_________________.
A.different twins generally have different levels of ability
B.intelligence and development are irrelevant to ability
C.ability depends mainly on intelligence and achievement
D.ability depends both on intelligence and on environment

How were great musicians different from ordinary musicians in their development?
A.They concentrated on music to the exclusion of other areas.
B.Their ability was realized at an early stage and then nurtured.
C.They practice playing their instruments for many years.
D.They were exceptionally intelligent and artistic.

The writer advises that gifted children should be allowed to follow______________.
A.their own interests
B.only their interests in musical instruments
C.their parents' interests
D.only their interests in computer games

The remark: "To have a fast car, you need both a good engine and fuel." in the passage means that in order to become a genius________________.
A.you need intelligence and you need to develop it
B.you should try to move quickly and efficiently
C.you need to have good health and good nourishment
D.you must nourish your brain and train your muscles hard

All of the following statements are true EXCEPT____________.
A.a child's intelligence is influenced by that of his/ her parents
B.studying different twins is a useful scientific procedure
C.educational development depends completely on economic well-being
D.To become successful, a child needs both native intelligence and development

Choose the best answer that best completes each sentence.
Last night, _________nothing to watch on TV, we went out.
A.there having
B.having had
C.being
D.there being

Choose the best answer that best completes each sentence.
I’m not very _________of criticism, while my sister is good at taking it.
A.tolerant
B.tolerable
C.toleration
D.tolerate

Choose the best answer that best completes each sentence.
Near the White House is_________ famous landmark called the Washington Monument.
A.another
B.the other
C.a
D.other

Choose the best answer that best completes each sentence.
His illness made him_______ of concentration.
A.incompetent
B.incapable
C.powerless
D.unable

Choose the best answer that best completes each sentence.
Ask people what is happening to the world's population and they are likely to say it is______.
A.explosion
B.booming
C.bombing
D.blossoming