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【单选题】
We can learn from the second paragraph that______.A.
college can hardly help people become better citizens
B.
most college graduates refuse to make any comment on their college education
C.
a college education may not be the best thing for everyone
D.
people consider their college education to be of great worth
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皮皮学刷刷变学霸
举一反三
【单选题】The variance that LEAST affects cost control is the:
A.
flexible-budget variance
B.
direct-material-price variance
C.
sales-volume variance
D.
direct manufacturing labor efficiency variance
【简答题】方差(variance)
【简答题】4-7b. 构件的荷载及支承情况如图 4-19 所示,杆长 l =4m ,求支座 A 、 B 的约束反力。