Unit 1:

Computer, board, fan, lamp, this (this; This), yes (yes), mine (mine), that (that; That), yours (yours), the teacher's desk (platform), pictures (pictures; Photo), wall (wall), building (building), yes (yes; Yes, it (it).

Unit 2:

One (1), two (2), three (3), four (4), five (5), six (6), seven (7), eight (8), nine (9), ten (10), what (what? for(for； Give), class (course).

Unit 3:

Jacket (jacket), shirt (skirt), skirt (dress), T-shirt (T-shirt), red (red), blue (blue), yellow (yellow), green (green), white (white), no; Not), not (not; No, it's color.

Unit 4:

Warm, cold, cool, today, jeans, pants, socks, shoes, let's = let's play; Kick), football (soccer), snow (snow), sunny (sunny).

Unit 5:

How many apples, bananas, pears, oranges, watermelons, big ones, small ones, long ones and short ones?