若辨证为热痹，应对证选用()
A.肝俞、太冲
B.膈俞、血海
C.肾俞、关元
D.大椎、曲池
E.合谷、内庭
参考答案：D
Assume that a company has equal amounts of debt, common stock, and preferred stock. An increase in the corporate tax rate of a firm will cause its weighted average cost of capital (WACC) to:（）
A. rise.
B. remain the same.
C. fall.
柱塞式注塑机和螺杆式注塑机的塑化装置都包括的是（）
A、分流梭
B、机筒
C、喷嘴
D、螺杆
E、止逆环
