17.水或許臟并且充滿微生物細菌威脅人類健康
    Water may be dirty and contains microscopic animals or bacteria dangerous to human health.
    18.娛樂活動帶給我們更方便更容易的生活,但是過度使用將導(dǎo)致人類的創(chuàng)造力喪失
    Modern technologies in recreational activities have brought us easier and more convenient life, but using them too often might result in the loss of creativity.
    19.娛樂給人們帶來很大的快樂而且?guī)椭麄儨p輕壓力和抑郁
    Amusements give them great happiness and help relieve pressure and depression.
    20.網(wǎng)絡(luò)訓(xùn)練年輕人反應(yīng)迅速激起他們對計算機科學(xué)的興趣
    Internet trains young people to respond quickly and arouses their interest in computer science.