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【单选题】
某同学捉到一只活青蛙,把它放到有较多水的鱼缸中,并用玻璃板盖住,准备精心饲养,观察青蛙的活动, 可第二天青蛙就死掉了,青蛙死亡的原因最可能是 ( ) A .无法呼吸 B .饥饿 C .惊吓 D .水质有问题A.
B.
C.
D.
D
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举一反三
【单选题】Your essay is judged on four criteria. Which one of these four criteria is incorrect?
A.
Task Response
B.
Coherence and Cohesion
C.
Academic Style
D.
Grammatical Range and Accuracy
【简答题】What is the meaning of 'to skip lunch' in Paragraph Three?
【简答题】自由基聚合的机理特征( )、( )、( )?
【单选题】What is the author's attitude toward China's gastronomic revolution?
A.
In favor of.
B.
Indifferent.
C.
Against.
D.
Holds a balanced view.
【简答题】通过市场采购资源的组织方式,主要有 ( ) 采购和 ( ) 采购两种方式。
【单选题】What can be inferred about the professor's opinion?
A.
He is strongly in favor of the impact hypothesis.
B.
He does not believe that mass extinctions happened.
C.
He thinks that mass extinctions were important to evolution.
D.
He views mass extinction as a preventable occurrence.
【单选题】Which is SMALLEST of these four? ( )
A.
bacterium
B.
red blood cell
C.
virus
D.
lymphocyte
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