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【判断题】
工作压力较高的液压系统宜选用粘度较大的液压油,以减少泄漏A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】党在过渡时期的总路线的理论依据是(__),(__),(__)?
【简答题】在组织培养诱导根芽形成时，当CTK/IAA的比值高时，诱导______的分化；当CTK/IAA的比值低时，诱导______的分化；中等水平的CTK/IAA的比值，诱导______的形成。
【简答题】在组织培养诱导根芽形成时,当 CTK/IAA 的比值高时,诱导( )的分化;当 CTK/IAA 的比值低时,诱导( )的分化。
【简答题】在组织培养诱导根芽形成时，当CTK/IAA的比值高时，诱导______的分化；当CTK/IAA的比值低时，诱导______的分化；中等水平的CTK/IAA的比值，诱导______的分化。
【单选题】听力原文：M: I haven't seen Calvin lately. W: I wish I could say the same. He frequently drops by just at Supper time. I couldn't be so angry if he called to warn us. But he always claims that he fogot our...
A.
Because he forgot her phone number.
B.
Because she hasn't seem him lately.
C.
Because he never invites her to dinner.
D.
Because he doesn't phone ahead before visiting.
【简答题】What can be seem at the temple fair?
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