Question

語法填空。
讀下面短文，照句子結(jié)構(gòu)的語法性和上下文連貫的要求，空格處填入一個適當?shù)脑~或使用
括號中詞語的正確形式填空。

     If you struggle against figures, maybe you were born that way, research has suggested. Being
good at mathematics may be entirely pre-destined-you either have it   1   you don't.
    And those who find   2   difficult to add up the number shouldn't feel too hopeless-mathematical
talent does not appear to be linked to all-round intelligence. Previous research has indicated that
"number sense" is    3   (base) to humans. We use it to estimate such things as    4   number of seats
in a cinema or crowd sizes.
     U.S. psychologists at Johns Hopkins University in Baltimore made their finding after testing children
too young to have been taught mathematics. During the study, 200 four-year-olds   5   (study) in terms
of number senses, calculation skills and vocabulary. The verbal test was done for the reason   6  
language and maths abilities are thought to be   7   (close) linked through general intelligence.
     "Unlike    8   previous studies proved, this one shows that the link   9   number sense and maths
ability is already present before the beginning of formal maths instruction. One of the most important
questions is whether we can train a child's number sense   10   (improve) his future maths ability."

Answer 1

1. or  2. it   3. basic  4. the  5. were studied  
6. that 7. closely 8. what  9. between 10. to improve