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45÷15=（45-30）÷（15-□）
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举一反三
【单选题】What happens when there is a reduction of light during the winter months?
A.
A decrease in melatonin may cause a chemical imbalance.
B.
The pineal gland begins functioning to compensate.
C.
The retina of the eye opens to receive more light.
D.
The mental processes in the brain are slower.
【判断题】The goal during the supply chain operation phase is to exploit the reduction of uncertainty and optimize performance.
A.
正确
B.
错误
【单选题】下列哪种情况的学生,不属于办理保留学籍的范畴?()
A.
经合同医院或指定医院诊断，应当停课治疗、休养占一学期总学时1/3课时及以上者；
B.
应征参加中国人民解放军（含中国人民武装警察部队）者；
C.
按学院相关规定，完成基础教学阶段（本科四年制第一、二学年，本科五年制第一、二、三学年），符合自主创业条件者；
D.
参加学院组织或认定的跨校联合培养项目者。
【单选题】The primary cause of the reduction in the nominal money supply during the early years of the Great Depression was
A.
the Fed's sale of bonds.
B.
the Fed's purchase of bonds.
C.
a reduction in the money multiplier.
D.
none of the above
【简答题】作业有二:1、草图五张,要求拍照片即可 2、电子稿两张(必须是竹子与名字的结合,以及点线与文字的结合这两个)。JPEG,300DPI,A4(排在一张A4中即可)。 3、两个作业打包上传。 4、今晚22点前
【单选题】During the reduction phase of the Calvin cycle, phosphoglyceric acid is reduced to______utilizing________as the reduction source.
A.
phosphoglyceraldehyde; NADPH+H+
B.
phosphoglyceraldehyde; NADH+H+
C.
ribulose 1,5 - bisphosphate; NADH+H+
D.
pyruvic acid; NADPH+H+
【单选题】Reduction is the gain of or a decrease in oxidation state by a molecule, atom, or ion. As an example, during the combustion of wood, oxygen from the air is reduced, gaining from the carbon.
A.
protons, protons
B.
neutrons, neutrons
C.
electrons, electrons
D.
nuclei, nuclei
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