如果能满足（）的条件，汽车才能正常行驶。
参考答案：具有足够的发动机功率和良好的附着性能
肝细胞对胆红素的转化主要发生在()
A．微粒体
B．线粒体
C．滑面内质网
D．粗面内质网
E．溶酶体
— Is there anything you want to know?
— I just wonder ____ that makes Jim so excited.
A．what it is
B．what he does
C．how it is
D．what is it
