1.‹ฦ–ฑ•ชอ‚ฬŠT—viWhat1j
(1)‹ฦ–ฑ•ชอ‚ฦ‚อ
(2)‹ฦ–ฑ‚ฦ‹ฦ–ฑ‹@”\

2.‹ฦ–ฑ•ชอ‚ฬ–ฺ“IiWhyj


3.‹ฦ–ฑ•ชอŽ่–@‚ฬŠT—viWhat2j
(1)‹ฦ–ฑ•ชอŽ่–@‚ฬฎ—
(2)‹ฦ–ฑ•ชอŽ่–@Šิ‚ฬŠึ˜A‚ฦ“K—p‡˜