John Black, a new client, who has been a chargeable person for a number of years, has asked you to explain the following, with reference to income tax.

(a) The rules applicable in determining the amount of preliminary tax to be paid for the tax year 2008. (3 marks)

______形成的尿液，由肾盂流经______、进入______贮存，当尿液达到一定量时，在神经系统的支配下，尿液经______排到体外．