延迟焦化主体反应属于()反应。
参考答案:吸热
An exporter sells goods to a customer abroad on FOB and on CFR terms by L/C. Who is responsible for the freight charges in each()
A.Beneficiary; applicant
B.Seller; buyer
C.Buyer; seller
D.Exporter; exporter
“乐民之乐者,民亦乐其乐。”是()的乐舞思想?
A.孔子
B.老子
C.孟子
D.庄子