《2025年同步练习册陕西科学技术出版社九年级英语上册冀教版》

Ⅱ. Fill in the blanks according to the Chinese given.
1. Observation, reason and experiment make up what we call the ______ (科学方法).
2. It became a main ______ (力量) that would change our society.
3. ______ (正确的) ideas come from social practice.Correct
4. What can ______ (推断出) from these observations?be concluded
5. The ______ (压力) of work was too great for him.pressure

答案： 3. Correct 4. be concluded 5. pressure

Ⅲ. Read the passage and put the sentences back into the blanks.
Do you know what an experiment is? An experiment is a kind of test. 1______ Are you interested in experiments? If you are interested in experiments, maybe you will be a scientist in the future. Experiments are very important to human beings. 2______ Do you know Thomas Edison? He was one of the greatest inventors in the world. Without his inventions, people may not have lights, films, tape recorders and many other things. But this clever man had very little schooling. How could he be so successful? He liked studying and knowing about new things. 3______ He especially liked doing experiments very much. He had his own laboratory even when he was a little boy. During his lifetime, he had 1903 inventions! 4______
A. No matter how hard it was, he never gave up.
B. Many useful things in our life are invented by doing experiments.
C. So we should get into the habit of doing experiments.
D. We do it carefully in order to study what happens and get new knowledge.
1.D 2.B 3.A 4.C

答案： DBAC

Ⅳ. Cloze test.
Scientists study the world and learn about things using a process (方法) called the scientific method. By asking important questions and searching for the answers, it is 1 (B) to make amazing discoveries! Sometimes a scientist is 2 (A) to answer his own questions, but if he has taken good notes, another scientist may come along later who is able to use new knowledge to answer them.
When you use the scientific method to conduct an experiment, you start by making observations about something that 3 (C) you. Based on your observations, you make a hypothesis. This is using 4 (A) you know to make a smart guess about what you think could happen. Then you are ready to begin your experiment. All during your experiment you take down notes, which are 5 (C) experiment data (资料). You are constantly (不断地) making observations during this time. You may make discoveries that 6 (B) you to improve your experiment as you go. 7 (C), you conclude your experiment and begin to look over your notes to decide what it all means. Based on what you have learned, you make a final statement about whether your hypothesis is correct or not. You have to have reasons and evidence (证据) to 8 (A) what you are saying.
Using the scientific method can be 9 (C), but rewarding (值得的). Because all the steps are organized in a process, the 10 (B) are more valid (有根据的). When you provide observations as evidence to support what you are saying, your ideas are more likely to be accepted.
1. A. careful
B. possible
C. impossible
D. useful
2. A. unable
B. sure
C. ready
D. surprised
3. A. hurts
B. presents
C. interests
D. likes
4. A. what
B. when
C. why
D. which
5. A. controlled
B. arranged
C. called
D. carried
6. A. change
B. cause
C. ask
D. see
7. A. Obviously
B. Suddenly
C. Finally
D. Mostly
8. A. support
B. make
C. observe
D. think
9. A. sad
B. easy
C. difficult
D. happy
10. A. problem
B. results
C. services
D. aims

答案： BACAC BCACB