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生词整理 :measure 测量,计量 Involving the whole family is the best way to promote better eating habits and healthy activities for your kids . A whole - family approach simply means that everyone - parents and kids alike - 1 together as a team to achieve good health and well - being . As with any 2 , there's a leader or coach - and that's you! Lead by 3 . Adult family members are important role models for healthy eating and exercise . Talk about why you eat fruit as a snack , take an exercise class , or go for walks . Start them young . Don't wait until your child is at a ( n ) 4 weight to form good eating and 5 habits . It's much easier to maintain a healthy weight than to lose 6 later . Be 7 together . Make it usual for the family to be active . Being active as a family allows 8 to expend energy in a 9 way , and adults enjoy the health benefits , too . 10 together . It may be not practical to do it every day , but 11 kids into the process of 12 food as possible as you can . Little kids can learn math skills by 13 and they'll begin to understand the chemistry of cooking . They'll also gain an understanding of healthy ingredients . Older kids will enjoy having the authority to select and prepare 14 they like and will be more likely to eat what they've 15 . It might even inspire them to make healthy choices 16 their own . Eat together . Eating a meal as a family sends the right 17 about nutrition . Kids will see their parents eating healthy food and may be inspired to 18 new foods . They will also come to 19 mealtime as a time for socializing and sharing . Parents get a chance to 20 nutritious food and note their child's likes and dislikes through conversation .
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【单选题】Nowadays, people ____ pay for things conveniently with their mobile phone.
A.
must
B.
need
C.
can
D.
should
【简答题】推销员旅行问题。设有5个相互可直达的城市A、B、C、D、E,如图5.13所示,各城市间的交通费用已在图中标出。推销员从城市A出发,去每个城市各旅行一次,最后到达城市E,请找出一条费用最省的旅行路线。
【简答题】证明:旅行推销员问题的数学模型(混合整数线性规划问题)中的第三组约束能够防止多于一个的互不连通的回路出现,同时又不会排除任何符合问题要求的回路.
【简答题】People nowadays pay much attention to the interior _____ (decorate) of their newhouses.
【简答题】求解六个城市旅行推销员问题,其距离矩阵如表9一17所示。设推销员从1城出发,经过每个城市一次且仅一次,最后回到1城。问按怎样的路线走,使总的行程最短。
【简答题】求解6个城市旅行推销员问题,其距离矩阵如表9.5.20所示。设推销员从1城出发,经过每个城市一次且仅一次,最后回到1城。问按怎样的路线走,使总的行程最短。
【判断题】Nowadays, more and more people are willing to pay in cash in China.
A.
正确
B.
错误
【简答题】Translate the following sentences into Chinese .(英译汉) With the living standard higher and higher, people have more and more foods to choose. Nowadays people pay attention not only to the variety of fo...
【多选题】Nowadays more and more people pay attention to their health and lifestyle.
A.
Y
B.
N
C.
NG
【简答题】推销员旅行问题。 假设A、B、C、D和E是5个城市,推销员从城市A出发,到达城市E,走怎样的路线费用最省?5个城市间的交通图及每两个城市间的旅行费用如图5.6所示,图中的数字即是旅行费用。
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