药材穿心莲主产于（）
A.山西、内蒙古
B.海南、江西
C.广东、海南
D.广东、广西
E.河北、山东
参考答案：D
Would you please keep silent? The weather report and I want to listen. [ ]
A. is broadcast
B. is being broadcast
C. has been broad cast
D. had been broadcast
下列各图所表示的反应是吸热反应的是（ ）
A B C D
