认识自然，亲近自然．初春学校组织学生到桂东北的猫儿山山脚下一农庄进行社会实践活动，小明携带一个质量为1kg的合金锅、一台如图甲所示的便携式丁烷气炉（内置一瓶新的燃气，参数如表格所示），爱探究的小明通过手机上网查到便携式燃气炉的热效率为30%，丁烷气体的燃烧效率为90%，野炊地水的沸点为96℃，测出当地水的温度为26℃，水的比热容为4.2×10³J/（kg•℃），锅的比热容为0.8×10³J/（kg•℃）

增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

删除：把多余的词尾（\）划掉。

修改：在错的词下画一横线，并在该词下面写出修改后的词。

注意：⒈每处错误及其修改均仅限一词；

⒉只允许修改10处，多者（从第11处起）不计分。

    It was a freezing winter night. I pulled myself along the way before a long day's work stand behind the counter. An empty stomach and only ten-dollar note and a few pennies in the pocket, my life seemed hopelessly. Despite the warm Christmas atmosphere, my heart was frozen to dead. “Excuse me, Madam. Would you please be too kind as to give a few pennies? The little angels will appreciate for it.” A sweet voice rise behind me. I turned and found a plain-looking girt with two abandoned dogs. Without hesitations, I handed over the note in my pocket. Cheerfully the girl wait away and she would never know how she saved my day and my life.

补全对话；从方框内所给句子中选择恰当的句子完成下面对话，并将其代表字母涂（填）在答题卡（纸）的相应位置。

( At the doctor's)

A: Good morning.

B: Morning doctor.

A:____ 

B: I'm not feeling very well.

A: Oh, let me see… ____  You are just overweight.

B: Really? But I don't eat too much.

A:____  You often eat sweet food and meat, don't you?

B: Yes, both of them.

A: To keep fit, you'd better eat less sugar but more vegetables. ____ 

B: OK, I'll do like that.

A: ____ .

B: Thank you very much.

家庭生活中一些常见物质的pH如下：

当我们被蚊虫叮咬后，蚊虫能在人的皮肤内分泌蚁酸（具有酸的性质），从而使皮肤肿痛．要减轻痛痒，应在叮咬处涂抹下列物质中的（　　）