跑步的行进速度是多少?
参考答案:
跑步的行进速度为每分钟170-180步。
In the foreign trade business, the trade terms CFR is often used. CFR is the abbreviation for ______.
A.Commercial Invoice
B.Cost, insurance and freight
C.Cost and freight
D.Carriage paid to
癫痫持续状态常可伴发()
A.高热
B.外周血白细胞增高
C.酸中毒
D.脱水
E.高血糖