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【单选题】
下列属于19世纪初欧洲空想社会主义者的是A.
黑格尔
B.
圣西门
C.
费尔巴哈
D.
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皮皮学刷刷变学霸
举一反三
【简答题】已知等差数列{a n }的前四项的和为60，第二项与第四项的和为34，等比数列{b n }的前四项的和为120，第二项与第四项的和为90， (Ⅰ)求数列{a n }，{b n }的通项公式； (Ⅱ)设 ，则数列{c n }中的每一项是否都是数列{a n }中的项，给出你的结论，并说明理由．
【简答题】四边形的内角和为______；多边形的外角和为______．
【简答题】说明单核吞噬细胞系统的组成及其机能。
【简答题】我国规定的安全色为____、__、__和___四种。对比色为___和___两种。
【单选题】An asset created by prepayment of an expense is:
A.
Recorded as a debit to an unearned revenue account.
B.
Recorded as a credit to a prepaid expense account.
C.
Recorded as a credit to an unearned revenue account.
D.
Recorded as a debit to a prepaid expense account.
E.
Not recorded in the accounting records until the earnings process is complete.
【多选题】关于细菌大小的说法正确的有
A.
一般以微米为单位进行描述
B.
球菌的大小一般以直径来形容
C.
杆菌的大小一般以宽×长来进行描述
D.
螺旋菌的长度以螺旋菌菌体两端点的距离来进行描述
【单选题】An asset created by prepayment of an expense is____________.
A.
recorded as a debit to an unearned revenue account
B.
recorded as a debit to a prepaid expense account
C.
recorded as a credit to an unearned revenue account
D.
recorded as a credit to a prepaid expense account
E.
not recorded in the accounting records until the earnings process is complete
【简答题】如图，分别以四边形ABCD的四个顶点为圆心，以3为半径画弧，则图中四个阴影部分面积和为______．
【简答题】四边形的外角和为（ ）。
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