《2025年启东中学作业本九年级英语上册译林版盐城专版》

一、根据句意,填上合适的连接词。
1. They don't know whether to go or wait.
2. She said that it wouldn't matter much.
3. He always doubts whether/if he can do it better.
4. Jim told me that he didn't go fishing yesterday afternoon.
5. I want to know if/whether you will come back at 8:00 tomorrow morning.
6. We are talking about whether we'll go back tomorrow.
7. I am sure that you are very busy these days.
8. Sometimes I'm careless. I wonder if/whether I can be more careful.
9. We haven't decided whether/if we'll go back tomorrow.
10. Sandy is asking whether/if Millie will come. If she comes, please call her.

答案： 1. whether 2. that 3. whether/if 4. that
5. if/whether 6. whether 7. that 8. if/whether
9. whether/if 10. whether/if; If

1. I can't decide if/whether I should take part in the activity.
2. Jeff asked his students if/whether they knew it was important to protect the Earth.
3. I can't stop wondering if/whether Tom will be willing to help me.
4. The policeman warned us that it could be dangerous to swim here.
5. Mr Wu told me that someone was waiting for me outside.

答案： 1. if/whether I should 2. if/whether; knew
3. if/whether Tom will 4. that it could
5. told; that; was; me

(C)1.We cannot rule out the possibility ______ climate change is not the result of human activities.
A.whether
B.how
C.that
D.why

答案： C 【点拨】whether 是否；how 怎么；that（没有实义）引导宾语从句；why 为什么。分析可知，题干包含一个宾语从句且宾语从句的意义完整。故选 C。

(C)2.Before you ask someone for help, find out ______ he is the right person for your problem.
A.since
B.that
C.whether
D.unless

答案： C 【点拨】since 自……以来；that（没有实义）引导宾语从句；whether 是否；unless 除非。根据语境可知选 C。

(D)3.In the past, people didn't know that the Earth ______ around the Sun.
A.will move
B.moved
C.would move
D.moves

答案： D 【点拨】“地球绕着太阳转”是客观事实，故用一般现在时。故选 D。