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【单选题】
次级卵母细胞完成第二次成熟分裂是在A.
排卵前
B.
排卵后
C.
排卵后12小时
D.
当精子穿入卵时
E.
形成后
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皮皮学刷刷变学霸
举一反三
【简答题】What does it mean by 'researchers painstakingly tuned the design...'?(Para. 5)
【单选题】What does the author probably mean by 'scored a great coup' (Para. 5)?
A.
Failed.
B.
Succeeded.
C.
Criticized.
D.
Advocated.
【单选题】What does the word 'assortment” (Line 5,Para. 2)probably mean?
A.
difference
B.
separation
C.
classification
D.
mixture
【简答题】在列表样式属性中,用来为列表项设置项目图像的属性是【】
【简答题】What is the meaning of 'race to the bottom'? (Line 5, Para. 3)
【单选题】To whom or what does the pronoun' they' in underline , Para. 5 refer?
A.
The original building sites.
B.
The townspeople.
C.
The burned-down houses and shops.
D.
The landlords.
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