题目内容
7．As teenagers，we should always keep safe in mind．But how can wc keep safe？Here are some of my（16）suggestions．First，we should be careful when we make friends，especially on line．Second，if we are in（17）danger，we must keep calm and call the police for help in time so that we can keep（18）ourselvessafe．Third，We'd better buy and eat food carefully．If the food is in bags，we should read instructions and dates before eating it．Eating food that goes bad will do harm to our（19）health．Fourth，we must obey the traffic rules when we go out．Don't（20）crossthe street when the traffic lights are red．Keep to the right in the street．Besides，summer is coming and we must remember it's dangerous to swim in the river．In a word，safety must come first!分析 略
解答 16．suggestions 17．danger 18．ourselves 19．health 20．cross
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19．
| Name | Likes playing | Where the sports things are | Likes eating |
| Tommy | （16）basketball | The balls are （17）under his bed． | tomatoes |
| Paul | （18）tennis | The racket is on the （19）table | eggs |
| Sally | （20）baseball | carrots |
16．
| Importance | Air is very important to （26）略 ．People all over the world are looking for （27）略 to make it clean again． If we are going to keep （28）略 ，we need to breathe clean air． |
| Reason for air pollution | （29）略 smoke looks pretty in the air．But it is not good to breathe． More and more factories and more and more （30）略 -trucks and planes． |