留学美国：留学生大学毕业与就业(1)

留学美国：不再拖延理科生签证(1)

Hint： MantisAmerican officials say they are working to reduce visa delays that have affected foreign science students, researchers and others. The delays involve a security clearance process cal...

留学美国：避免被控剽窃 (1)

Hints: Plagiarism is the act of representing another person's words or ideas as your own. The offense may be as small as a sentence copied from a book. Or it may be as extensive as a ...

脂肪细胞基因与结肠癌有关 (2)

Hints: Ashkenazi Jewish Chicago, IllinoisColon cancer is one of the leading causes of cancer deaths. Every year it kills almost 680,000 people around the world. And doctors find more than 1,000,...