H? tr?i nghi?m, h??ng nghi?p 11 SGK Ho?t ??ng tr?i nghi?m, h??ng nghi?p - K?t n?i tri th?c
Dilemma 22: Drinking drinking water extreme quantities of fluorides may go away a stained or mottled impact on the enamel of enamel.
H? tr?i nghi?m, h??ng nghi?p 4 SGK Ho?t ??ng tr?i nghi?m - K?t n?i tri
Work out 5: Total Just about every of the following sentences with a suitable current participle of your verbs through the box.
B?n ?ang mu?n tìm ?? c??n ôn t?p h?c kì one Ng? v?n 10? ??c tài li?u xin gi?i thi?u t?ng h?p ng?n g?n ki?n th?c n?i dung h?c kì one m&o