17.如图是叶片在结构示意图下列说法不正确的是 A.�和�是表皮有保护作用b.�是叶脉有输导作用c.�是气孔是气体交换的“窗口 D Template




You need a modern browser try chrome, to view this.

Background image: Hide Show

View Larger Image Image Credit: 1010jiajiao.com






Try and sketch some of theseSteam shovel, Mandolin, Bat, Cowl, Candy corn, Panda, Porcupine, Funeral, Beaver, Tsunami, view more ideas


please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

anonymous
anonymous
sketch #3479


anonymous
anonymous
sketch #5308 Taylor Swift by Gabi Ferrari


Donara Smbatyan
sketch #1504 donara


anonymous
anonymous
sketch #2889


anonymous
anonymous
sketch #4649


anonymous
anonymous
sketch #3250 Lonely cat Lars Tunebo


Chris Shrimp Lonsdale
sketch #342 Forest scene


anonymous
anonymous
sketch #5068


anonymous
anonymous
sketch #3107 Hitman by Miguel Edgardo Montes Cuaresma


Tom Kelly
sketch #521 A hungry caterpillar


anonymous
anonymous
sketch #3321 Baby Mirella Flowers


anonymous
anonymous
sketch #5162 Alien by KiNg Buamir


anonymous
anonymous
sketch #3174 John Snow Helga Fon Stein


anonymous
anonymous
sketch #3092


anonymous
anonymous
sketch #5157


anonymous
anonymous
sketch #5327


anonymous
anonymous
sketch #3590


anonymous
anonymous
sketch #2862 Grumpy Cat


anonymous
anonymous
sketch #953


anonymous
anonymous
sketch #2881 Mickey Mouse by Michael Angcay


anonymous
anonymous
sketch #3192 Snake by Isaias Valenzuela Chaver


anonymous
anonymous
sketch #5323 Cem Adrian by Glynis June Williams


Ainhoa White
sketch #4269 dragón


anonymous
anonymous
sketch #4349 Cícero Николай Герасимов


Jocelyn Alejandra Rantul
sketch #2678 Portrait by Jocelyn Alejandra Rantul


Rachel Roe
sketch #33 Flutter-bys


anonymous
anonymous
sketch #5316


anonymous
anonymous
sketch #1892 hmmmm........


anonymous
anonymous
sketch #4388 Homer and the Cherry


anonymous
anonymous
sketch #3268 Werewolf by Mert Arda Yiğit

tomski17.如图是叶片在结构示意图下列说法不正确的是 a.�和�是表皮有保护作用b.�是叶脉有输导作用c.�是气孔是气体交换的“窗口 d coloring