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【单选题】
以下哪一项控制把交易的发起和处理限制给选定的人?A.
授权
B.
批准
C.
审计线索
D.
忠诚保险
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反馈参考答案：
举一反三
【简答题】幼儿园教育是_______ 的重要组成部分，是我国学校教育和终身教育的奠基阶段。
【单选题】How many colleges and students are there in Canada?
A.
350600,000
B.
3606,000,000
C.
370600,000
D.
3806,000,000
【单选题】How many Americans are there in colleges and universities?
A.
About seven million.
B.
Half of the American population.
C.
25% of American people.
D.
About 25 million.
【单选题】How many Americans are there in colleges and universities?
A.
About seven million.
B.
Nearly half of the American population.
C.
Young persons under twenty-five.
【单选题】用 40N 的力拉一轻弹簧,可使其伸长 20 cm 。此弹簧下应挂( ) kg 的物体,才能使弹簧振子作简谐振动的周期 T = 0.2 p s 。
A.
1.0
B.
1.5
C.
2.0
D.
2.5
【单选题】According to the report, how many casualties by {ar are directly due to the radiation?
A.
about 4,000
B.
about tens of thousands
C.
about 50
D.
about 350,000
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