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【判断题】
制动效能的恒定性是指汽车抗制动效能下降的能力。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】患者女性,35 岁。胃大部切除手术后切口化脓,创面脓液量多,有臭味。换药处置
A.
3%氯化钠溶液湿敷
B.
70%乙醇湿敷
C.
优琐湿敷
D.
10%硝酸银烧灼
E.
过氧化氢溶液湿敷
【简答题】函数y=f(x)的定义域是(1，4)，则函数 的定义域是（ ）。
【简答题】The first day our professor challenged us to get to know someone we didn’t know. I looked around when a gentle hand touched my shoulder. I turned around to find a wrinkled, little old lady smiling at ...
【单选题】_____ I entered, he was _____ in his book and didn’t notice me.
A.
When; devoted
B.
While; absorbed
C.
When, absorbed
D.
While, devoted
【单选题】Her mother didn’t tell her _______ then.
A.
where is the MH370 flight
B.
where the MH370 flight is
C.
where was the MH370 flight
D.
where the MH370 flight was
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