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【多选题】
细胞因子生物学检测法包括A.
细胞增殖法
B.
靶细胞杀伤法
C.
细胞因子诱导的产物分析法
D.
ELISA
E.
细胞病变抑制法
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】Why didn’t they drive the bear away?
A.
Because the bear was too big.
B.
Because it was dangerous to drive a bear away.
C.
Because the bear ate everything they had.
D.
Because they wanted to play with the bear.
【简答题】A．They could drive the insects away. B．They could keep the plants well-watered. C．They could make the plants grow faster. D．They could build devices to trap insects.
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