在色光等量混合中,红光+绿光=()
A、青光
B、品红光
C、黄光
D、白光
参考答案:C
—Mum, you should have taken me to the park this morning.
—I had planned to, but I couldn't afford the time.I ________ a lecture.
A.had given
B.gave
C.was giving
D.would give
阴虚肺热型咳血宜选方()
A.重要病机之一
B.多次、多食、多尿、消瘦、乏力
C.肺、胃、肾
D.清热润燥,养阴生津
E.阴津亏损,燥热偏盛