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KT 15 phut ca nam
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Trêng THCS lª th¸nh t«ng §Ò kiÓm tra M«n sinh 7
Líp: …. Thêi gian: 15 phót
Hä vµ tªn:...................................................
§iÓm Lêi phª cña thÇy c« gi¸o
§Ò bµi:
C©u 1(6 ®iÓm) §iÒn vµo chç trèng c¸c côm tõ ®· cho trong ngoÆc sao cho thÝch
hîp (1 ®«i, 3 phÇn, 2 ®«i, 2 phÇn, ®Çu – ngùc, ®Çu, èng khÝ, ngùc)
C¬ thÓ ch©u chÊu cã...........................râ rÖt: .......................,............................
vµ bông. §Çu cã .........................r©u, ngùc cã ba ®«i ch©n vµ ........................c¸nh.
Ch©u chÊu h« hÊp b»ng......................................, hÖ thÇn kinh cã h¹ch n·o vµ chuçi
h¹ch bông. ChÊu chÊu non míi në ®· gièng bè, mÑ nhng ph¶i qua nhiÒu lÇn lét
x¸c míi thùc sù trë thµnh con trëng thµnh.
C©u 2(4 ®iÓm) Tr×nh bµy tËp tÝnh ch¨ng líi vµ b¾t måi cña nhÖn?
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