皮皮学，免费搜题
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【单选题】
关于纯框架体系,下列说法错误的是:A.
框架只承担重力荷载，不承担水平荷载。
B.
该体系侧向刚度小、水平位移大，又称为柔性结构。
C.
在高烈度区地震区不宜采用。
D.
框架梁跨度在 4～9m之间。
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举一反三
【单选题】Ovarian chocolate cyst is referred to
A.
Ovarian cyst of fallopian tube
B.
Ovarian endometriosis cyst
C.
Mucinous cystadenoma of ovary
D.
Cystic teratoma of ovary
E.
Luteal hematoma of ovary
【单选题】Growing ovarian follicles include which of the following follicles?
A.
Primordial and primary follicles
B.
Primary and secondary follicles
C.
Secondary and mature follicles
D.
Primary and mature follicles.
E.
Primary follicles
【简答题】设(X1，X2，…，Xn)为取自正态总体X～N(μ，σ2)的样本，则μ2＋σ2的矩法估计量为
【简答题】卵巢周期(ovarian cycle)
【单选题】What's Ovarian Cancer Research Fund?
A.
It's a profit organization created by Sol Scherber
B.
Its aim is to honor a woman valiantly fought ovarian cancer.
C.
It provides to people who with ovarian cancer.
D.
It's a cosmetic company.
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