肺痨的治疗原则为
A.补虚培元
B.调补阴阳
C.抗痨杀虫
D.清肺泻火
E.清热化痰
参考答案:A,C
一个立方体的体积是125cm3,它的棱长是
A.4cm
B.5 cm
C.6 cm
D.7 cm
Mr Green asked the children to _____ the words in the dictionary. [ ]
A. look at
B. look up
C. look for
D. look after