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【简答题】
请将道地药材与相应的道地产地进行配伍。
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皮皮学刷刷变学霸
举一反三
【单选题】Which of the following gases represents the greatest threat to personnel safety in an engine room where the exhaust is leaking from a diesel engine?
A.
Carbon dioxide
B.
Carbon monoxide
C.
Carbon trioxide
D.
Hydrogen sulfide
【简答题】在三极管放大电路的三种基本组态中，()带负载的能力最强。
【单选题】—______? —She is twenty.
A.
What’s your grandmother’s age
B.
How old is your brother
C.
How old is your sister
D.
When is your sister’s birthday
【单选题】A (An) __ is the documentary attestation for the delivery of stores and spare parts.
A.
engine logbook
B.
delivery docket
C.
store booklet
D.
maintenance book
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