如图是叶片表皮细胞与气孔的模式图：
Name
Peter
Age
13
Nationality
American
Appearance(外貌)
Medium height, short blonde hair, wear glasses
Hobbies
Read books, play chess
Favorite food
Beef and carrot noodles, vegetable salad
Personality(个性)
·smart (learn well)
·friendly and popular(help others)
Labour Day in China is on 1st May, ____ ____ ?
