单词拼写（共10小题；每小题0.5分，满分5分）

小题1:The book is i__________ for children aged 5-7.

小题2:We congratulated him on his being a__________ into Peking University.

小题3:As she had no child of her own, she had to a ____________one .

小题4:You can’t a__________ English poetry unless you understand its rhythm (韵律).

小题5:Animals have died as a c___________ of coming into contact with this chemical.

小题6:You’ll have to get p__________ from your parents if you want to come.

小题7:Hollywood also faces competition from ________(非法) copied movies.

小题8:Judy lay in the armchair, _________(专注) in her magazine.

小题9:The government’s ___________ (农业) policy is popular with farmers in the country.

小题10:After several _______(十年), the manager returned and found everything had changed.

什么是塑限、液限和缩限？什么是液性指数、塑性指数？