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【单选题】
.应放在4°C冰箱内保存的药物是A.
乙醇
B.
苯巴比妥
C.
疫苗
D.
细胞色素
E.
硫酸亚铁
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【简答题】Let me the booking system.
【单选题】This was but an additional testimony of the superiority of the socialist economic system over the capitalist economic system.
A.
proof
B.
witness
C.
evidence
D.
validity
【单选题】Management let the employees ______at two o'clock.
A.
leave
B.
left
C.
was leaving
D.
was left
【单选题】One use of networks is to let several computers share ______ such as file system, printers, and tape drives.
A.
CPU
B.
memory
C.
resources
D.
data
【单选题】— I've got the system running, but I can't open my file. —
A.
Let me see if I can get it to work.
B.
I'm very sorry.
C.
It's my pleasure.
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