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【判断题】
不可逆循环的热效率一定小于可逆循环的热效率。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】女,9岁,5天前突然右髋疼痛,并有高热。体温39.5°C,脉搏110次/分,白细胞22×109/L,中性98%,血沉30mm/第一小时末。右髋关节肿胀,不敢活动,考虑为
A.
急性化脓性髋关节炎
B.
急性风湿性髋关节炎
C.
类风湿性髋关节炎
D.
髋周软组织炎
E.
髋关节结核
【简答题】Finger-prints are used for solving criminal by ______.
【简答题】[A] resolving [B] saluting [C] dissolving [D] solving
【单选题】According to the passage, today's computers are not so easy to use ______.
A.
unless they are designed with less buttons
B.
even if they have improved a lot
C.
even if their control is very flexible
D.
unless they can show more visible information
【单选题】______ the teacher has given permission, ______allowed to use the equipment in the lab.
A.
Only if, are the students
B.
If only, the students are
C.
If only, are the students
D.
Only if the students are
【简答题】Hatch surveyor
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