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【单选题】
二手车（）是表示二手车的功能或使用价值机动车的功能或使用价值的比率。A.
功能率
B.
价值率
C.
率
D.
使用价值率
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反馈参考答案：
举一反三
【判断题】Maintaining safety standards is a continuous and ongoing process at every step of the an aircraft‘s flying evolution.
A.
正确
B.
错误
【简答题】零件故障形成的主要原因有?
【简答题】汽车故障是指 。 2、汽车故障诊断是指 。 3、汽车故障的类型有 。 4、造成汽车故障的主观原因主要有 。 5、造成汽车故障的客观原因主要有 。 6、金属零件的失效形式主要表现为 。
【单选题】Administrations should bear in mind the significance of _____ in maintaining safety of life and property at sea and in preventing marine pollution.
A.
advanced nautical equipment
B.
advanced performance main engines
C.
emergency equipment
D.
communication and language skills
【单选题】People from all walks of life agree __________ the importance of maintaining online safety.
A.
with
B.
for
C.
on
D.
to
【简答题】According to the passages, the decisive factor in maintaining a firm’s competitive advantage is ________ A) the introduction of new technologies B) the improvement of worker’s basic skills C) the rati...
【单选题】In a hospital for the mentally ill, much of the nurse’s time is devoted to maintaining a safe environment for the patients and also helping them to understand and ________ essential safety measures.
A.
take credit for
B.
put into practice
C.
hand down
D.
blend in
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