()5.跨学科 数学计算 $(°\mathrm{F} - 32) ÷ 1.8 = °\mathrm{C}$. You don’t have a fever. Your temperature is .

A.$102°\mathrm{F}$
B.$39°\mathrm{C}$
C.$98°\mathrm{F}$

5. C
根据华氏度和摄氏度的换算公式及常识可知选C。
知识拓展
华氏度和摄氏度的换算公式
华氏度(°F)和摄氏度(°C)的换算公式如下:
摄氏度换算为华氏度:°F=°C×1.8+32
例:将20°C换算为华氏度,计算为20×1.8+32=68°F。
华氏度换算为摄氏度:°C=(°F-32)÷1.8
例:将68°F换算为摄氏度,计算为(68-32)÷1.8=20°C。
这两个公式是温度单位换算的基础,记住"乘1.8加32"和"减32除以1.8"的核心步骤,就能快速完成两者的转换。

五、从Ⅱ栏中选出与Ⅰ栏句子相对应的答语。
| Ⅰ | Ⅱ |
| --- | --- |
| ()1. What’s wrong with you? | A. Because she eats too many sweets. |
| ()2. What should he do? | B. I’m sorry to hear that. |
| ()3. Can you help me? | C. Sure. |
| ()4. Yang Ling is ill. | D. He should have a rest at home. |
| ()5. Why does she have a toothache? | E. My nose hurts. |

1~5 E D C B A

六、从方框中选择合适的句子，补全对话。
Tom: Hi, Jack. 1. Jack: I’m not so good.
Tom: What’s the matter with you? Jack: My eyes hurt. 2.
Tom: Oh, I’m sorry to hear that. 3.
Jack: At twelve o’clock.
Tom: Oh, that’s too late. You should go to bed early. Why did you go to bed late?
Jack: 4.
Tom: You shouldn’t do that. You should go to bed before nine o’clock. 5.
Jack: Thank you. I know. I need to have a rest.
A. When did you go to bed last night?
B. Because I played computer games.
C. I can’t see well.
D. How are you?
E. You’d better do eye exercises every day.

1~5 D C A B E

七、完形填空。
We have food and $1$ every day. Some people like eating meat. Some people like eating vegetables. And some people like $2$ milk, coffee or juice every day. What do you like? Is it $3$ or bad for your health? We should have some milk and water. We should have more fruit and vegetables. And we $4$ eat junk food (垃圾食品) or drink $5$ coffee. It’s not good for us.
()1. A. water
B. meat
C. coffee
()2. A. eating
B. drinking
C. drink
()3. A. good
B. sad
C. well
()4. A. shouldn’t
B. must
C. can
()5. A. too many
B. so many
C. too much

1~5 A B A A C