他在给老师送礼物。
参考答案:对
解析:[听力原文]老师,这是我们的一点心意,请您收下。
根据短文,补充句子。
Today is my birthday (生日). I want to thank my family for their love. So I cook(烹饪) the
dinner for them. I know my father likes hamburgers and broccoli. But my mother likes chicken and
tomato soup. I have a brother. He likes hamburgers, too. But he doesn't like broccoli. He likes carrots.
I have a sister, too. She likes fish and French fries. I like chicken and strawberries. I will buy these
things for the birthday party (金).
1. My father likes hamburger and _____ .
2. My mother likes _____ and_____ soup.
3. My _____ likes hamburgers and _____ .
4. My sister likes _____ and _____
5. I like _____ and_____.
阅读图文资料,完成下列要求。
重金属污染物对人体健康危害巨大。图甲为重金属污染物进入人体的路径示意图,图乙为某高速公路两侧土壤中铅、镉浓度分布示意图。
(1)据图回答重金属污染物进入人体的主要途径是什么(4分)
(2)判断高速公路两侧土壤中重金属污染物的主要来源是什么,并简述降低高速公路两侧土壤重金属污染物浓度的有效措施。(6分)