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【单选题】
公开市场业务是指A.
中央银行在金融市场上买进或卖出有价证券
B.
中央银行增加或减少对商业银行的贷款
C.
中央银行规定对商业银行的最低贷款利率
D.
中央银行对商业银行实施监督
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反馈参考答案：
举一反三
【单选题】She regrets（）idle when young.
A.
to have been
B.
her being
C.
her having been
D.
having been
【单选题】(360-362题共用题干)
A.
，男，40岁，初步诊断为车祸致肋骨骨折并硕伤性血胸，患者表现为呼吸困难，面色苍白，血压下降，尿量减少，脉搏细数。给予立即输液、输血，行胸胸腔闭式引流术。
B.
0.为了确定诊断需要做一下哪项辅助检查
C.
拍胸片X线片
D.
胸腔穿刺
E.
脑部CT
F.
B超检查
G.
做胸部MRI
【单选题】According to the author, which of the following is NOT true about her mother?
A.
She held the power in the family.
B.
She was satisfied with her married life.
C.
She had no regrets about anything.
D.
She was certainly disappointed with her later life.
【单选题】Lydia really regrets________out of high school.She has really had to struggle to make a living because of that decision. [ ]
A.
drop
B.
to drop
C.
dropping
D.
dropped
【简答题】A．She has trouble getting along with the professor. B．She regrets having taken up much of the professor's time. C．She knows the professor has been busy. D．She knows the professor has run into trouble.
【简答题】.简述小学生意志品质的特点。
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