()1. — I don't know ______ he will come tomorrow.
— Don't worry. ______ he comes, I will let you know.

A.whether；If
B.if；Whether
C.when；Whether
D.that；If

()2. — Will it be sunny tomorrow? We are going to have a picnic in the park.
— It ______ be fine. Who knows? The weather always changes quickly.

A.must
B.will
C.may
D.should

()3. — Aunt Li often walks a dog in the morning. — Yes,______ bad weather stops her.
A.when
B.unless
C.because
D.since

()4. — I joined in the 2025 Changzhou Marathon(马拉松),______ I couldn't run as fast as a real athlete. — That's really great! You are my hero!
A.until
B.though
C.unless
D.if

()5. — Would you like to play tennis with me ______ it doesn't rain tomorrow?
— Sure,______ I am busy.

A.if；since
B.whether；but
C.if；unless
D.because；until

()6. Don't discuss the problems with your partner unless you ______ to.
A.ask
B.are asked
C.will ask
D.will be asked

()7. — Mum,I've got the first prize in the speech competition.
— ______,my boy!

A.Well done
B.My pleasure
C.Good luck
D.It's hard to say

二、词汇运用
1. Now some TV series are made in (摄影棚). But the scenes seem so real.
2. You can find some (男性的) nurses in some hospitals now.
3. (极地的) bears live near the North Pole(北极).
4. The police tried their best to stop the strange man (攻击) others.
5. A large number of (小型公共汽车) have been introduced to our city.

三、还原信息
Online videos are becoming a fast-growing business in China,as well as in the West.
1. ______ We also enjoy watching other kinds of entertainment(娱乐节目)online. In fact,for Chinese,watching videos online has already overtaken other online activities.
Online videos are popular in China. 2. ______ It accounts(占)for 75.2 per cent of China's Internet users. Among these users,about 40 per cent have paid to watch online videos. 3. ______ They were movies,online-only movies,popular TV shows,web shows and online entertainment shows. Some organizations pointed out that most viewers(观众)use mobile phones to watch online videos. 4. ______ This is bad for their sleep quality and their eyesight. People should control their time of watching online videos.
With the fast development of this industry,the Chinese government has tried to improve the quality of the programmes. Online videos without the government's permit(许可)are not allowed. These shows are under the same rules as TV shows.
| A. We prefer to watch TV shows online today. |
| B. Different people have different viewing habits. |
| C. They like to watch them when they stay in bed. |
| D. The top five kinds that users paid for came out. |
| E. The number of the video viewers reached 565 million this year. |
| F. People have spent so much time on TV instead of working hard. |
1. 2. 3. 4.