下列关于黄河的说法，正确的是（    ）

    Everyone has his ____（自己的）dream of the future. But do you know what the future really is? I think future is now. That is to say, we must treasure every minute and ____（秒）. There is an old English ____（谚语，格言）, "Gain time, gain life." Time is something that can't be seen or  ____（触摸）, but we feel it passing by. Time is always with us. We often say, "Time is money", but it is more  ____（宝贵的，贵重的）than money, because when money is spent, we can earn it back. But if time is gone  ____（离开，远离）, it will never return. That's the reason why we say time is priceless.

    Grasping（把握） the ____（现在）is grasping the future. We should work hard in order to ____（创造）a bright future. We should make the best use of every hour and take every  ____（机会）. We should do everything as ____（很好地） as possible . Never put off what can be done today till tomorrow.

2014年5月27日，李代沫容留他人吸毒案在北京市朝阳区人民法院开庭审理。李代沫一审判处有期徒刑九个月，罚金人民币二千元。李代沫被依法处罚表明
①法律是靠国家强制力来保证实施，具有强制性 ②法律对全体社会成员具有普遍约束力 ③刑罚当罚性是犯罪的法律标志 ④有期徒刑和罚金都属于主刑

舌表面密布许多小凸点，内藏____，其内有许多____细胞。