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【单选题】
离子顺电-化学梯度通过细胞膜属于A.
单纯扩散
B.
原发性主动转运
C.
继发性主动转运
D.
载体介导的易化扩散
E.
通道介导的易化扩散
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皮皮学刷刷变学霸
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【简答题】Pressure to abandon a language in favor of a more dominant one has historically been direct and forceful. In 19th-century Australia and the United States, native children were sent to boarding schools...
【简答题】冲压模具高度H模与压力机的最大闭合高度Hmax和最小闭合高度Hmin的关系是()。
【单选题】For many years, no one could communicate with people who had been born without hearing. These deaf people were not able to use a spoken language. But ,beginning in the 170Os,the deaf were taught a spe...
A.
to speak
B.
sign language
C.
to watch others
D.
Braille
【单选题】世界顶级设计咨询公司IDEO公式的汤姆.凯利将具备推动企业创新能力的人才分为10种，下列哪种人才属于建设性角色？
A.
人类科学家
B.
布景师
C.
实验师
D.
导演
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