【名词&注释】
角质层(cuticle)、一部分(part)、旱生植物(xerophyte)
[单选题]叶片较大而薄，表皮的角质层薄气孔较少，是( )叶的特点。
A. 沉水植物
B. 旱生植物
C. 阴地植物
D. 阳地植物
查看答案&解析
举一反三：
[单选题]黄芩属(Scutellaria)花萼、花冠均为二唇形。( )
A. 正确
B. 错误
[单选题]29 Just be patient .You expect the world to change so soon
A. can’t
B. needn’t
C. may not
D. will not
[单选题]57____
A. discuss
B. switch
C. exhaust
D. cover
[单选题]角苔的孢蒴内具蒴轴、蒴齿和孢子等。( )
A. 正确
B. 错误
[单选题]In the last paragraph the author mainly wants to express .
A. one must be brave to be honest
B. it’s difficult to be honest when others are not
C. one should be honest when making a deposit
D. honesty in one’s actions can help him in the future
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