假如你是在网上认识他们的，那把他们的资料打印出来，然后再看一遍你们之间通的所有电邮和电话。
If you found them online, print out their profile and review any emails or phone conversations you have had.
不过，他们有着相似的战术，包括将研究者的个人资料张贴在网上并打印，调查人员说。
They do share similar tactics, however, including Posting researchers' personal information online and in print, investigators said.
让学生利用打印文字材料和互联网上资料研究毕德哥拉斯定理的不同证明，并选其中一种证明方法制作一幅海报。
Have students research different proofs of the Pythagorean Theorem and create a poster demonstrating one such proof using print and Web resources.
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