_________

【名词&注释】

细胞壁(cell wall)、孢子囊(sporangium)、裸子植物(gymnosperm)、天南星科(araceae)、热带和亚热带(tropical and subtropical)、光合作用能力

[单选题]_________

A. private
B. global
C. different
D. practical

查看答案&解析

举一反三：

[单选题]In Bargh’s experiment, the students were asked to （ ）

A. evaluate someone’s personality
B. write down their hypotheses
C. fill out a personal information form
D. hold coffee and cold drink alternatively

[单选题]The main purpose of the text is to _______.

A. describe children’s thinking
B. answer some questions children have
C. stress the importance of communication
D. advise parents to encourage their children

[单选题]下列科中( )主要分布于热带和亚热带^{(tropical and subtropical)}。①泽泻科 ②水鳖科 ③槟榔科 ④天南星科

A. ①、②
B. ①、②、③
C. ②、③、④
D. ③、④

[单选题]真蕨的孢子囊群着生在营养叶的背面或背面边缘。( )

A. 正确
B. 错误

[单选题]47___.

A. developed
B. disappeared
C. changed
D. arrived

[单选题]裸子植物叶肉细胞的特点是( )。

A. 有栅栏组织与海绵组织之分
B. 细胞壁内突成皱褶
C. 无光合作用能力
D. 位于下皮层之上

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