17. I was impressed that they had risked (lose) everything to create a new China.
18. He is willing to take ① risk, even risking his life ② (help) people in danger.
19. AI “投毒” Data poisoning(投毒) is a growing concern in the field of AI. Some people spread false or ① (risk) information online, and then AI learns from the wrong facts. Many users are at risk of ② (get) bad answers, such as dangerous medical advice. So users shouldn't trust AI blindly.
变形: risk vt.→risked (过去式/过去分词)
→risking (现在分词)
→risky adj.有危险(或风险)的

17. losing
18. ①a ②to help
19. ①risky ②getting

用 whether/if、连接代词或连接副词填空
Lily can't decide 1. she will join the painting club. She doesn't know 2. the lessons start, on weekdays or on weekends. She calls the club, and she wants to know 3. she should do during the lessons. Also, she isn't sure 4. her parents will agree to let her join.
语法点1:if 或 whether 引导的宾语从句
此时的宾语从句的语义相当于一个一般疑问句。
▷ 更多讲练见本册 P202
语法点2:连接代词和连接副词引导的宾语从句
此时的宾语从句的语义相当于一个特殊疑问句。
▷ 更多讲练见本册 P202

1. whether/if
2. when
3. what
4. whether/if

一词多义·提优 答案见答案精析册 P8
| 词汇 | 教材溯源 | 迁移中考(选出黑体词在不同语境中的最佳释义) |
| --- | --- | --- |
| stage | n.阶段,时期;舞台
Teenagers’ bodies experience rapid changes in shape during this stage.青少年的身形在这个阶段会经历快速变化。(九上 Unit 2 P29) | ①n.阶段,时期 ②n.舞台 ③vt.上演
• Now, it seems there comes a new fashion trend every couple of months, but it still follows the same stages... (2025 扬州)
• he robots shone on stage, showing wonderful tricks. When it comes to farming, robots also make great contributions. (2026 淮安二模)
• On January 15th, 2026, a part of the new edition was staged in Taiwan for the first time. (2026 泰州一模) |

1. ①
2. ②
3. ③