生地黄在煎煮时宜（）
A.先煎
B.后下
C.包煎
D.烊化
E.榨汁
参考答案：E
—Did you listen to the report last Friday?
—Yes, it was about the shortage of immigrant workers. That was the first time I ________ about the subject.
A．have heard
B．was hearing
C．would hear
D．had heard
项目经理未按图纸和施工技术部标准组织施工的记（）。
A、1分
B、3分
C、6分
D、12分
