皮皮学,免费搜题
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搜题
【单选题】
下述哪项费用组合构成了固定量库存系统的总费用?( )
A.
年购买费、年补充订货固定费用
B.
年维持库存费、年补充订货单价
C.
年维持库存费、年补充订货年购买费
D.
单价、、年维持库存年购买费
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举一反三
【单选题】赋值语句 A=123 + Mid$( “123456”,3,2) 执行后, A= ( )
A.
157
B.
12334
C.
123
D.
“12334”
【单选题】复方感冒药中使用的麻黄碱手性异构体的绝对构型是
A.
(1R,2S)
B.
(1R、2R)
C.
(1S、2R)
D.
(1S、2S)
E.
(1R、2S、3R)
【单选题】赋值语句 a = 123 + Mid ( "123456" , 3 , 2 )执行后,变量 a 的值是 ________ 。
A.
"12334"
B.
123
C.
12334
D.
157
【单选题】— I wonder if I could possibly use your car for tonight. — ________.I'm not using it anyhow. [      ]
A.
Sure, go ahead
B.
I don't know
C.
Yes, indeed
D.
I don't care
【单选题】—I’d like to invite you to my new house next weekend. —Thank you, but ____ I’ll have time I’m not sure at the moment.
A.
when
B.
as
C.
in case
D.
unless
【单选题】赋值语句:a=123 & Mid("123456", 2, 2)执行后,a变量的值是( )。
A.
12323 (字符型)
B.
123
C.
12323 (数值型)
D.
157
【单选题】赋值语句 A=123 + Mid$( “123456”,3,2) 执行后,A=
A.
157
B.
12334
C.
123
D.
\
【单选题】—I’m so anxious about my driving test tomorrow. Would you please give me some advice? —_____. I’m sure you are good enough to pass it. Be confident of yourself.
A.
Absolutely
B.
Take it easy
C.
You are right
D.
Not really
【单选题】赋值语句:A=123 & MID(“1234356”,3,2) 执行后,A变量的值为( )
A.
“12334”
B.
123
C.
12334
D.
157
【单选题】赋值语句:a=123+Mid("123456",3,2)执行后,a变量的值为()
A.
"1234"
B.
123
C.
12334
D.
157
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