把118化为六进制数为____．

由于三民主义没有彻底的土地纲领，对革命造成的不利影响主要表现为：

阅读下列材料：式子“1×2×3×4×5×…×100”表示从1开始的100个连续自然数的积．由于上述式子比较长，书写也不方便，为了简便起见，我们可以将“1×2×3×4×5×…×100”表示为 $\underset{n=1}{\overset{100}{\pi }}$ n，这里“π”是求积符号．例如：1×3×5×7×9×…×99，即从1开始的100以内的连续奇数的积，可表示为 $\underset{n=1}{\overset{50}{\pi }}$ （2n﹣1），又知1³×2³×3³×4³×5³×6³×7³×8³×9³×10³可表示为 $\underset{n=1}{\overset{10}{\pi }}$ n³．通过对以上材料的阅读，请解答下列问题：

— ________ nice dress it is!

— Thank you!

根据短文理解，选择正确答案。

    During the day, you spend a lot of time running, jumping, laughing, eating, and talking. You use up a lot of energy(能量), and by the end of the day you're tired. Sleep gives your body a chance to rest.

    But your brain (大脑) and body are not completely at rest during sleep. While you sleep, your mind may think of the things that happened during the day. It keeps the important things in mind as memories(记忆). It also thinks about things you were worrying about, and you may wake up with answers to some of your problems.

    You also grow while you sleep. The thing called "human growth hormone (荷尔蒙)" in the body helps you grow during sleep. This growth hormone also helps the body to repair itself.

    Sleep helps your body to conserve energy too. You use up a lot of energy during your daily activities. But when you sleep, your body temperature falls, and your "metabolism" (新陈代谢) slows down. You are still using some energy, but much less than when you are awake and active.

    Have you ever stayed up past your bedtime? Did you have difficulty getting up the next morning? Maybe you had problems seeing clearly or you cannot think clearly. That was your body's way of saying, "I need sleep!" A lack ( 缺乏) of sleep can stop your body and mind from working correctly.