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【单选题】
已知两个同方向的简谐振动: m, m.则合振动的相与振幅分别为:A.
π/6、0.03m
B.
-5π/6、0.03m
C.
π/3、0.09m
D.
-π/3、0.09m
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反馈参考答案：
举一反三
【简答题】自我介绍环节中，不正确的是
【单选题】What conclusion can be drawn from the passage?
A.
Anxiety, though unavoidable, can be coped with.
B.
Children's anxiety has been enormously exaggerated.
C.
Children's anxiety can be eliminated with more parental care.
D.
Anxiety, if properly controlled, may help children become mature.
【单选题】患者女,41岁。在ERCP检查后出现腹部持续性疼痛,血清淀粉酶检查超过正常值。应考虑
A.
急性胆管梗阻
B.
急性胆管炎
C.
急性胃炎
D.
急性胰腺炎
E.
急性肠炎
【单选题】What conclusion can be drawn from the passage?
A.
Anxiety, though unavoidable, can be coped with.
B.
Children's anxiety has been enormously exaggerated.
C.
Children' s anxiety can be eliminated with mom parental care.
D.
Anxiety, if properly controlled, may help children become mature.
【单选题】The studies of emotion regulation suggest that
A.
anxiety can cause palms to sweat and hearts to race.
B.
anxiety can be vanquished by Xanax.
C.
anxious people tend to feel uncomfortable.
D.
anxiety can enhance cognitive competence.
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