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搜题
【单选题】
当以下条件( )存在时,死锁肯定发生。A.
互斥
B.
占有且等待
C.
不可抢占
D.
循环等待
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皮皮学刷刷变学霸
举一反三
【单选题】The two essential parts of a deal negotiation are ( ) .
A.
Enquiry and acceptance
B.
Offer and counter-offer
C.
Counter-offer and acceptance
D.
offer and acceptance
【单选题】________are two essential factors to form a contract.
A.
Enquiry and offer
B.
Offer and counter-offer
C.
Enquiry and acceptance
D.
Offer and acceptance
【简答题】外周免疫器官包括____________、____________和黏膜相关淋巴组织。
【多选题】What are the two essential components of scientific research?
A.
Hypothesis
B.
Concepts
C.
Observation
D.
Theory
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