设有安全带装置的车辆，应要求车内乘员系安全带。_爱下问搜题

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问题判断题

设有安全带装置的车辆，应要求车内乘员系安全带。

答案

参考答案：对

解答题

已知三角形的两边长分别为3和5，第三边长为c，化简

填空题

综合填空，根据短文内容，从方框中选择适当的单词，使短文完整，通顺，不要求改变词型。

enough, kinds, less, healthy, little, sick, energy, ways, choose, fruit

    As we know, food gives us   __1_   . We must have   _2_   food to keep us__3   . Of course, we must
also have the right   _4_    of food. We should eat more__5_   and vegetables but   _6_  meat. Different
foods help us in different__7   . If we eat too __8_   or too much food, or if we    _9   the wrong food, it
can make us   _10_   .
1       __   2   _         3 _           4   _         5
6        __ 7      _       8              9             10 _