【单选题】What is not the possible reason for constructing the Dujiangyan Irrigation System?
A.
To solve the seasonal floods caused by the Minjiang River.
B.
To alleviate drought of the Guanxian County.
C.
To help people travel from west to the east.
D.
To facilitate transport of war materials.
【单选题】某人向银行贷款,年利率为10%,按月计息,一年末应归还的本利和为1899.81万元,则该人当年贷款总额为( )。
【多选题】20世纪80年代末90年代初,标志着原有的两极格局终结的事件是:
【单选题】高级检索时,按 可以增减检索输入框,最多多少个,最少多少个?
【简答题】全回流时,操作线与 _________ 重合,操作线方程为 ________ ,理论塔板数为 _________ 。
【单选题】One of the most possible reasons for constructing the Dujiangyan Irrigation System is ( ) ?
A.
To solve the seasonal floods caused by the Minjiang River.
B.
To alleviate drought of the Chengdu city.
C.
To help people travel from west to the east.
D.
To facilitate transport of business materials.
【单选题】Dujiangyan is an irrigation system built in_______________________ by the Qin State.
D.
the Spring and Autumn Period
【单选题】将字符串“Hello!”赋值给字符数组st,不正确的是:()
B.
char st[]={'H','e','l','l','0','!'}
D.
char st[10]; strcpy(st,"Hello!");
【多选题】全回流操作时,精馏段和提馏段操作线方程 ( )。