单项选择题
Both of the two competing teams of scientists found that humans have about the same number of genes as some insects.（）
A．Right B．Wrong C．Not Mentioned
单项选择题 The Genomics Institute of Novartis published a report claiming that humans have more than thirty thousand genes.（）
单项选择题 What sound frightened Laura at night（）
单项选择题 27（）
