蕨类植物根茎的分体中柱一般为
A．有限外韧型B．无限外韧型C．周韧型D．周木型E．辐射型
参考答案：C
---How do you think I can make up with Qiong?
---Put aside_____ you disagree and try to find_____ you have in common.
A．what, what
B．where, what
C．what, whether
D．where, whether
冬天盛满水的水缸为什么会冻裂？
