如果加入足够的底物，即使存在非竞争抑制剂，酶催化反应也能达到正常的Vmax。()
A. 正确
B. 错误
国家资本主义企业生产关系发生根本变化是在（）
A. 开始委托订货之后
B. 全行业的公私合营之后
C. 个别企业公私合营之后
D. 实行了统购统销之后
Why does the professor mention permafrost in the Himalayas？
A. To explain that certain conditions are necessary for the formation of permafrost.
B. To suggest that permafrost is more common than many people believe.
C. To emphasize the changes in permafrost that have occurred due to global warming.
D. To illustrate that alpine permafrost can be found at low latitudes.
The word identify in Paragraph 1 is closest in meaning to______.
A. define
B. recognize
C. relate
D. orient
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