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【简答题】
9 除草剂的选择性原理有哪些?为什么说“选择性是相对的而不是绝对的”?
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【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( )。
A.
1727.1万元
B.
1719.8万元
C.
1791.1万元
D.
1772.1万元
【简答题】车床的控制电路一般采用( )V电压
【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.
A.
prehistoric period
B.
Warring States Period
C.
Shang Dynasty
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:()
A.
char st[5]="Hello!"
B.
char st[]={'H','e','l','l','0','!'}
C.
char st[10]="Hello!"
D.
char st[10]; strcpy(st,"Hello!");
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