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阅读下面短文，掌握其大意。然后根据短文内容和首字母提示，在短文空白处填入适当的单词，使短文内容通顺、合理。并将完整的单词填写在答题卡的相应位置上。
Lisa Smith went shopping．She is 30, and has lived at 3037 N．Foothill Street s 1 1992．Lisa has been m 2 to John for seven years．They have t 3 children; Bob is five years old and Nancy is three．At 9 am, Lisa got into her c 4 and drove to Barget, a large super-market a kilometer a 5 ．
Barget was having a holiday sale．Lisa b 6 a four-slice toaster(烤面包机)for ＄29.95．
The regular price was ＄39.95．On her way h 7 , Lisa stopped at MilkPlus to buy some nonfat m 8 ．The milk was ＄3.50 Lisa got 50 cents back in change．
Lisa arrived home at 10 am．John and the kids were still s 9 ．She woke t 10 up and then made a hot and nutricious breakfast for everyone．
(1)2，4—D 是一种最早应用的选择性除草剂，在农业生产上常用它除去单子叶农作物田间的双子叶杂草。单子叶农作物与双子叶杂草对2，4—D浓度的反应如右图曲线所示。
①从图中可以看出2.4—D作用的特点是_______________。
②图中X点（甲、乙的交点）对应的浓度对于双子叶杂草的作用效果是______________，2.4—D作为除草剂的最佳使用浓度是_______________点所对应的浓度。
③近几年，媒体经常报道有些农民使用除草剂导致作物绝产的消息。如是某农民使用的2。4—D不是假冒产品，请你分析导致作物绝产的最可能原因是__________________
(2)2.4—D还能促进插条生根。为了探索2.4—D促进插条生根的最适浓度，某生物兴趣小组先做了一组梯度比较大的预实验，实验的结果如下图所示。
①图中纵坐标的标识是______________；推测最适浓度的大致范围在______________之间。
②做预实验的目的是__________________ 正式实验中要实现实验目的，最少需要设置___________组实验（相对浓度梯度为1）。
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有龋齿。为此，在全国牙齿关爱日到来前，请你根据以下要点，结合自己的体会，给校报英
语专栏写一篇短文，谈谈如何保护牙齿。
1. 每天早晚刷牙； 2. 有蛀牙及早看医生；3. 有龅牙可戴牙套; 4. 健康饮食（蔬菜、水果……）。注意：1. 词数：80 词左右；开头已给出，不计入总词数；2. 应覆盖所有要点；可适当增加细节，使行文连贯；3. 参考词汇： tooth decay 蛀牙；crooked teeth 龅牙; braces n. 牙套。
Teeth problems are common among children. A study on China Health Monthly recently showed that 40.74% of 1,306 Chinese students under age 15 had decayed teeth.
最近，学校开设了心理咨询室，每天中午向同学们开放，同学们可以和心理老师沟通各种问题，寻求帮助。阅读该活动海报，请为以下几位同学找出合适的咨询时间，并选择相应编号A—E分别填入题号内。
| Heart-to-heart talk Do you have any problems? Come and talk with us.xkb1.com Opening hours 12 o’clock-13 o’clock A. Monday Problems with friends B. Tuesday Problems with teachers C. Wednesday Problems with studies D. Thursday Problems with parents E. Friday Problems with looks (外貌) |
最近，学校开设了心理咨询室，每天中午向同学们开放，同学们可以和心
理老师沟通各种问题，寻求帮助。阅读该活动海报，请为以下几位同学找出合适的咨询时间，并选择相应编号A—E分别填入题号内。
| Heart-to-heart talk Do you have any problems? Come and talk with us. Opening hours 12 o’clock-13 o’clock A. Monday Problems with friends B. Tuesday Problems with teachers C. Wednesday Problems with studies D. Thursda E. Friday Problems with looks (外貌) |
y Problems with parents| Names | Problems | Day |
| Victor | I often make my English teacher angry. I don’t think she like | 1 |
| Laura | I am a shy girl. I only have a good friend. But these days, she is angry with me and doesn’t talk to | 2 |
| Toby | I am the shortest in my class. Other boys don’t want to play basketball with me. I am very sad. | 3 |
| Grace | My math is not good. I think it’s too difficult. | 4 |
| Mary | My parents always make me study all day. I have no time to play. I am not happy. | 5 |
s me.
me. I don’t know why.