Cell Phone Lets Your Secret
Out Your cell phone holds secrets about you.
Besides the names and {{U}} (51) {{/U}} that you’ve programmed into it,
traces of your DNA linger on the device, according to a new study.
DNA is genetic material that {{U}} (52) {{/U}} in every cell. Like
your fingerprint, your DNA is unique to you {{U}} (53) {{/U}} you have an
identical twin. Scientists today routinely analyze DNA in blood, saliva, or hair
left {{U}} (54) {{/U}} at the scene of a crime. The results often help
detectives identify {{U}} (55) {{/U}} and their victims. Your cell phone
can reveal more about you {{U}} (56) {{/U}} you might think.
Method J. McFadden, a scientist at McMaster University in Hamilton,
Ontario, heard about a crime in which the suspect bl A. numbers B. music C. secrets D. films
[单项选择]The advertising company was surprised by the {{U}}adverse{{/U}} public reaction to the poster. A. delayed B. quick C. positive D. unfavorable
[单项选择]Many economists have given in to the fatal {{U}}lure{{/U}} of mathematics. A. error B. function C. attraction D. miracle
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