作业帮American teenagers may face a challenge today.A rencent survey_____that they are less honest than previous generations.A found out B found C looked for
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American teenagers may face a challenge today.A rencent survey_____that they are less honest than previous generations.A found out B found C looked for
American teenagers may face a challenge today.A rencent survey_____that they are less honest than previous generations.
A found out B found C looked for
American teenagers may face a challenge today.A rencent survey_____that they are less honest than previous generations.A found out B found C looked for
选B
find out 是查清、弄清（情况）,它的搭配主要是find out about sb/sth或者是find out sth about sb/sth.它也是可以跟从句的,但是它的意思与本句不符合.
look for 是期望、期待的意思,偶尔也表示寻找.它后面不可以跟从句.
B
应该是B
B
选B
A和C这两个词组后面不能加从句。
A
found out找出
found 找到（find的过去分词）
looked for寻找，渴望
B
--A found out 即find out找出
--B found 即find 发现，强调结果
--C looked for即look for 寻找，强调过程
B 后面加从句
A是指结果 一般不加从句
B
选B
C肯定不可能。
found out是找到而不是 显示，发现 的意思
这句翻译大概是 美国青少年今天将要面临一个挑战。一个最近的调查结果显示他们不如上一代人诚实了