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【单选题】
Who is making the call?A.
Jane.
B.
Jack.
C.
The woman.
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【简答题】若三阶矩阵A的伴随矩阵为 ,且 ,则 (__).
【单选题】We —— buy the more expensive one. It will last much longer and so it will be cheaper in the end.
A.
Had better to
B.
had better
C.
had better not
D.
had better not to
【简答题】下列标记中，能使文字变为斜体的是（ ）A. B. C. D.
【单选题】根据《民用航空电信人员执照管理办法》，（）是指在实际运行环境中或者模拟环境中，对申请人表现出的与所申请专业与岗位工作相关的判断、操作、处理能力进行的评估和测试。
A.
执照理论培训
B.
执照理论考核
C.
执照技能培训
D.
执照技能考核
【多选题】核设施操纵人员执照分为“操纵员执照”和“高级操纵员执照”两种。营运单位按照运行人员资格管理要求，在进行人员()后，将有关资料报国务院核安全监管部门核准。
A.
招聘
B.
选拔
C.
培训
D.
考核
E.
试用
【单选题】We __ buy the more expensive one. It will last much longer and so It will be cheaper in the end.
A.
had better to
B.
had better
C.
had better not
D.
had better not to
【简答题】What do we talk about when we talk about money? We often think about what we can buy with the money we have, what we can ’ t buy because we don ’ t have enough and what we ’ re planning to buy when we...
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