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【单选题】
r|＞r 0.05/2(n-2) ，时，可认为两变量X、Y之间A.
有因果关系
B.
有正相关关系
C.
不一定有直线关系
D.
存在线性湘关关系
E.
有负相关关系
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反馈参考答案：
举一反三
【单选题】---¿No se llama Ana esa chica? ---_______, no se llama Ana, se llama Susana.
A.
Sí
B.
No
C.
Si
D.
Nos
【单选题】对细菌性食物中毒预防措施的描述,以下哪项是错误的
A.
定期对食品从业人员体检
B.
食用前彻底加热
C.
屠宰过程中严格遵守卫生要求
D.
应用抗氧化剂
E.
以上都不对
【单选题】注册会计师为增加审计程序不可预见性而采取的下列做法中，正确的有______。
A.
从账簿记录追查到凭证，以获取完整性认定的审计证据
B.
放弃依赖风险较低的控制，完全依赖实质性程序获取证据
C.
函证应收账款时，要求客户证实欠款金额，并提供销售发票复印件
D.
将营业收入截止测试的时间范围缩短至资产负债表日前后各10天
【单选题】Which of the following is the least appropriate opening sentence for introducing an essay on the topic of “the importance of reading ability and how to develop it”?
A.
Reading is to humans’ spiritual world what water is to fish. Only through persistent reading can we enjoy the improvement of reading ability and learning ability.
B.
It cannot be denied （ There is no denying/doubt ） that reading plays a key role in people’s growth and development in any era, since the 21th century is a time of knowledge explosion and reading ability becomes increasingly important.
C.
How to develop reading ability? Based on this concrete and meaningful question, some steps should be taken.
D.
Just as the proverb goes that, “Don’t bite off more than one can chew.” Try to make a book list that you take interest in and make a practical plan.
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