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【简答题】
Why is it difficult to define the 5th generation computer?
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参考答案:
举一反三
【简答题】消化系统由消化管和组成。
【简答题】听录音填空 PIL: G control, DLH409, 1 CTL: DLH409 2 until passing 3
【简答题】To dictate the reciting paragraphs. Had he 1 his university to see if there were any graduates working at Mackay whom he could 2 ? Had he asked any friends to 3 him in a mock interview? Did he go to t...
【单选题】下列有关生态系统结构的叙述,正确的是 [     ]
A.
每种生物在生态系统中只能处于一个营养级
B.
动物都属于消费者,其中食草动物处于第二营养级
C.
自养生物都是生产者,是生态系统的主要成分
D.
细菌都属于分解者,其异化作用类型有需氧型和厌氧型两类
【简答题】1 To dictate the reciting paragraphs.请填写空白处相应的大写字母。 Had he 1 his university to see if there were any graduates working at Mackay whom he could 2 ? Had he asked any friends to 3 him in a mock interview...
【简答题】如图是处于平衡状态的草原生态系统,请据图回答: (1)此生态系统中最长的食物链由______个消费者组成; (2)该生态系统中,狼属于______营养级; (3)在不同的食物链中,属第二营养级的动物有______种; (4)写出最长的一条食物链______.
【简答题】Why did Fred write "I'm so glad I invested in you" in his letter? Because he could pay his medical bills with the money _________________________.
【单选题】下列有关生态系统结构的叙述,正确的是 [     ]
A.
每种生物在生态系统中只能处在一个营养级上
B.
自养生物都是生产者,是生态系统的主要成分
C.
动物都属于消费者,其中食草动物处于第二营养级
D.
细菌都属于分解者,其呼吸作用类型有需氧型和厌氧型两类
【简答题】社区体育按照活动时间可以划分为: 、经常性体育活动、 。
【简答题】Could he write? Why or why not?
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