【简答题】If you think a high-factor sunscreen ( 防晒霜 ) keeps you safe from harmful rays, you may be wrong. Research in this week’s Nature shows that while factor 50 reduces the number of melanomas ( 黑瘤 ) and de...
【简答题】阅读理解:If you think a high-factor sunscreen(防晒霜)keeps you safe from harmful rays, you may be wrongQuestion 1 to 5 are based on the following passage. If you think a high-factor sunscreen(防晒霜)keeps you s...
【简答题】Passage One If you think a high-factor sunscreen( 防晒霜 )keeps you safe from harmful rays, you may be wrong. Research in this week's Nature shows that while factor 50 reduces the number of melanomas( 黑瘤...