皮皮学，免费搜题
登录
搜题
【单选题】
()不是植物细胞所特有的细胞器。A.
细胞壁
B.
质体
C.
液泡
D.
叶绿体
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】Given the following parameters, please calculate the ISA deviation at the aerodrome.
【简答题】用机械原理压榨大豆炼油得到的油渣饼
【简答题】Seagull can achieve a profit after tax of 20% on capital employed. At present its capital structure is as followed 200 000 ordinary shares of $1 each 200 000 Retained earnings ...
【单选题】Please calculate the resistorances Rab and Rcd in the following network. (All resistors unit: Ω)
A.
Rab=140Ω Rcd=8.89Ω
B.
Rab=145Ω Rcd=8.89Ω
C.
Rab=150Ω Rcd=11.89Ω
D.
Rab=140Ω Rcd=8.08Ω
E.
Rab=145Ω Rcd=7.89Ω