舌绛少苔，有瘀斑、瘀点，多为（）。
A.气滞
B.湿热
C.痰浊阻络
D.血瘀
E.内热炽盛
参考答案：D
You buy the TV guide for next week have already bought a copy. [ ]
A. mustn't
B. needn't to
C. don't have to
D. can't
机床数控加工系统属于( )。
A．随动控制系统
B．程序控制系统
C．恒值控制系统
D．非线性控制系统
