已知钢筋的必需消耗量为300t,损耗率为2%,则钢筋的净用量为()t。
A.294.12
B.294
C.306.1
D.306
参考答案:A
Please ask your friends___________so much noise.
A.not to take
B.don’t take
C.not to make
D.don’t make
雷公藤的功效有()
A.祛风除湿
B.活血通络
C.消肿止痛
D.杀虫解毒
E.除湿和胃