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【简答题】
新型冠状病毒是 的冠状病毒新毒株。 世界卫生组织将本次发现的新型冠状病毒命名为“2019-nCoV”,即2019新型冠状病毒。
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【简答题】函数y=2sinx的最小正周期是______．
【单选题】When Mary received the life-changing news, she __.
A.
lost control of herself
B.
began a balanced diet
C.
Med to get a treatment
D.
behaved in an adult way
【简答题】When my daughter was five, we gave her a piano as her birthday gift, with great excitement; she began learning piano under the teacher’s guidance. However, when she was no longer curious about it, she...
【单选题】Q: What happened?
A.
The steering gear is repaired.
B.
A fire occurred in the steering gear room.
C.
The steering gear fails to function.
D.
No fire has been found in the steering gear room.
【单选题】Q: What happened to the main engine?
A.
Turbocharger surging.
B.
Cylinder knocking.
C.
Piston scrapping.
D.
Overload.
【简答题】y=sinx的最小正周期是
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