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【简答题】
《老人与海》中的“硬汉”形象是（）
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皮皮学刷刷变学霸
举一反三
【单选题】生态系统的基本组成部分是( )。
A.
植物、动物、微生物及其生存环境要素
B.
生物环境要素和非生物环境要素
C.
植物、动物、微生物
D.
生存环境要素、生物环境要素、生活环境要素
【简答题】什么是生态系统?生态系统的共同特征是什么?生态系统的基本结构由哪几个部分组成，各组成成分包括什么?
【单选题】生态系统的基本组成部分是______。
A.
非生物环境要素、生物环境要素
B.
植物、动物及生存环境要素
C.
非生物环境要素、植物——生产者有机体、动物——消费者有机体、微生物——分解者有机体
D.
非生物环境要素、植物、动物
【单选题】When the sentence "The had made a mess of the house" is turned into passive voice, which of the following is CORRECT?
A.
A mess had been made in the house.
B.
A mess had been made by them.
C.
The house had been made a mess of.
D.
The house had been made a mess.
【单选题】It started raining，so she__________ the nearest house．A.made forB.made off
A.
It started raining，so she__________ the nearest house． A.made for
B.
made off
C.
made up
D.
made out
【单选题】生态系统的基本组成部分是( )。
A.
非生物环境要素、生物环境要素
B.
植物、动物、微生物及其生存环境要素
C.
植物、动物、微生物
D.
非生物环境要素、植物、动物
【单选题】When the sentence "They had made a mess of the house" is turned into passive voice, which of the following is CORRECT?
A.
A mess had been made in the house.
B.
A mess had been made by them.
C.
The house had been made a mess of.
D.
The house had been made a mess.
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