— Is this your jacket?—______. It's Jenny's jacket.

题干

— Is this your jacket?

—______. It's Jenny's jacket.

A：Yes, it is

B：Yes, she is

C：No, it isn't

D：No, she isn't

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C

①将等量的小鼠肝癌Hepal﹣6细胞悬液，分别接种于若干支含等量培养液的培养瓶中．

②将培养瓶放于37℃、5%CO₂培养箱中培养24h，静置、去除上清液；

③分别加入等量但含不同浓度SW的培养液，于37℃、5%CO₂培养箱中继续培养；

④分别在24h、48h、72h时吸取培养液，观察结果，得到不同浓度SW对细胞存活率影响曲线（如图）．

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