工作面的作业形式。
参考答案：
工作面的作业形式，就是一昼夜内采煤班和准备班的配合形式。
By the time he was dying, he made a testament that he would______his kidney(肾) to those who were in need of it.
A．contribute
B．donate
C．provide
D．introduce
知母的主要归经是
A．肺、胃、肾经B．肺、脾、肾经C．心、脾、肾经D．心、肝、肾经E．心、肝、脾经
