为引导同学们正确交友，你所在的班级正在举行以“有朗白远方来"为主题的综合学习活动，请你参与活动，井完成下面任务。

在方框中填入一个恰当的词、或填入所给单词的适当形式，使短文通顺、正确、连贯。
    A lot of people wish to be slim, but at the same time they are____（worry）about their health. In fact, it is important for everyone to lose weight healthily. A strong body can keep you working in a high speed and make you more positive every day. However, how can you do it? Here's some good____（advice）.
    ●Drink plenty of water and eat____healthy diet. If you feel like____（eat）snacks, drink a glass of water first. If you are still hungry after 15____（minute）, then it's time for a light snack. Try to stay away from food with high calories, such as sweets and fast food.
    ●Do not eat____(much) than you can consume (消耗). People get fat because they can’t consume all the calories ____they get. So, knowing how many calories you really need is very important.
    ●Take enough exercise.  The  “333” is good   for you—exercise three____(time) a week, for at least 30 minutes at a time, and your pulse rate (脉搏率) should be more than 130 after____(exercise).
    Keep the three pieces of advice in mind and follow the advice. Then you'll____(sure) have a slim and strong body.

如图所示，在用锌片、铜片和稀硫酸组成的原电池装置中，下列说法正确的是

依次填人下列各句横线处的成语，最恰当的一组是(       )

    ①近代欧美轮船侵入我国，              ，宁波商帮迅速停止了传统的沙船贩运业，转而经营轮船运输业，甚至组成了航运集团。

    ②生活的智慧离不开细心的发现，在日常工作中，我们一定要善于观察，善于分析，             ，才能发现问题背后的本质。

    ③《红楼梦》表面看来写的是寻常的生活琐事，却能够             ，借贾史王薛四大家族的命运，表现整个封建王朝的兴衰。

下列各式中属于正确的水解反应离子方程式的是（   ）。