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1·Machine translation makes some parents raise doubts about the necessity for their children to learn foreign languages.

机器翻译使一些父母怀疑是否有必要让他们的孩子学习外语。

2·But the answers of villagers raise doubts about who is here.

但是，村民的答案引发了人们的怀疑。

3·The mistakes we make in telling time also raise doubts about the clock models.

人类在报时上所犯的错误同样也使我们对大脑的计时模式提出了质疑。

4·Customers often interpret discounts as a signal of weak demand, which may raise doubts about quality, they say.

“顾客往往把折扣解读为需求疲软的信号，这可能引起他们对质量的怀疑，”他们表示。

5·Interestingly, while tapping Dalian's experience, Qingdao has begun to raise doubts about Dalian's model - Singapore.

颇具玩味意义的是，青岛在向大连再学习的过程中，开始质疑大连的“老师”新加坡。

6·Fourth, should train students' problem consciousness, teach the method to raise doubts and difficult questions for discussion.

第四，要培养学生的问题意识，教给质疑问难的方法。

7·To convict Mr Khodorkovsky this time round would raise doubts over his guilt in the first case: the charges look contradictory.

如果要让霍多尔科夫斯基在本轮审判中获罪，那么他在第一轮审理中的罪行将疑点重重：两项指控是十分矛盾的。

8·The authors raise doubts about the rationality of agro-forestry economics and management as it is in a wrong system of the classification.

第二部分解读已有学科分类，清理“农林经济管理”学科界定上的缺陷；

9·The effect of this contradiction is to provoke cynicism and raise doubts about Medvedev's sincerity or the extent to which he is actually in charge.

这种矛盾结果引发了人们愤世嫉俗的情绪，人们开始质疑他是否真诚，或者他到底有多大的权力。

10·The results of national and international exams raise further doubts.

国内和国际考试的结果提出了更多的疑问。