《2026年金考卷中考45套汇编英语河北专版》

D
Mackensey Wilson, a 14-year-old student, never planned to do a science fair until her dogs started getting sick. Mackensey thought it might be because of the pet food.___This_ made her want to know what chemicals (化学品) were in pet food.
To do her research, Mackensey took part in a program where students could visit a high school lab. There she learned how to use different machines. She said it was really cool to use all the instruments and learn how they worked.
Mackensey read some past studies and learned that a preservative (防腐剂) called BHT was not good for pets. It is used in a lot of pet foods. Mackensey got three popular brands of dry dog food from her friends and family: Acana, WildernessLegend, and Wellness. She broke the food into small bits and put it in ethanol (乙醇) to find out how much BHT had been in the food. At first, she thought the brands wouldn't have any BHT because it was not listed on the package. However, she unexpectedly discovered that the brand Acana included 0.101% of BHT, WildernessLegend included 0.124%, and Wellness included 0.104%. “If I continued this topic, I would suggest adding more information to the nutritional labels (营养标签) of dog foods to help owners make better decisions,” she said.
Her first science fair made her nervous as it was a new experience for her. Luckily, she met so many people with different ideas and made many friends. She said happily, “You can really learn much about science just from being in a science fair, not even winning anything, but just by going there and experiencing it.”
66. What does the underlined word “This” in Paragraph 1 refer to?
A. Mackensey's interest in pet food.
B. Mackensey's visit to a high school lab.
C. Mackensey's plan to do scientific research.
D. Mackensey's dogs' sickness possibly caused by the pet food.
67. Why was Mackensey surprised by the result?
A. Because she finished a difficult experiment.
B. Because she discovered a new type of chemical.
C. Because she found more BHT than she expected.
D. Because she found BHT was missing from the package's list.
68. Which of the following can best describe Mackensey?
A. Careful, quiet and strict.
B. Proud, humorous and kind.
C. Confident, active and polite.
D. Clever, independent and practical.
69. What is the correct order according to the text?
a. Mackensey studied earlier research articles.
b. Mackensey met people with different ideas.
c. Mackensey learned to use different machines.
d. Mackensey found three brands included BHT.
e. Mackensey wondered what chemicals were in pet food.
A. c-a-d-e-b
B. c-e-b-d-a
C. e-c-a-d-b
D. e-b-a-d-c
70. What's the best title for the text?
A. The Pet Food
B. A Teen Chemist
C. A Science Teacher
D. A High School Lab

答案： 66.D 67.C 68.D 69.C 70.B