1 课后达标检测J
I .阅读理解
A
（2020 ?昆明教学质量检测 ）Five-year-old Prisilla Perez, a student at Meador Elementary School in Willis, was un happy with her rece nt haircut, which resulted from a severe disease. When students in her class started calling Prisilla a boy, she felt ashamed, often crying and losing focus in school. Her teacher, Shannon Grimm, sympathized with her un happ in ess. Grimm and Prisilla ' s mom were concerned, but their ideas didn ' t work. “ We had classroom discussions about how girls have short hair and boys have long hair, and I showed them photos of movie stars with different looks，“ Grimm said, “ However, it was n't sinking in. ”
Grimm thought about Prisilla throughout the win ter break, and one morning, she had an idea:
Cut off her hair ——a scary thought for Grimm, who wore her hair long and took pride in it. “ I've never had short hair, and I stressed about it for two weeks before making a decision On Jan. 4, Grimm invited a hairstylist friend to her home. cried，” she said.
The class loved their teacher' s new do, especially Prisilla, who excitedly ran off the school
bus that after noon yelli ng, “ Mom, Ms.Grimm cut her hair ! ” The teacher also bought matchi ng bows for herself and the girl, so they could style their hair together.
In February, the teacher recommended Prisilla for the school district ' s Student of the Month Award, but duri ng the Mon day cere mony, she received a surprise “ hero medal” from the girl. “ Now we have matchi ng awards , ” says Grimm.
Prisilla ' s mother, Maria, said that Grimm ' s thoughtfulness brought her to tears. \I was shocked. I was crying. I couldn ' t believe it — she did something that I wouldn ' t have the bravery to do. I will n ever forget that. ”
【解题导语】本文是一篇记叙文， 主要讲述了 Grimm老师剪短头发以帮助学生 1. Why was Prisilla unhappy at school? A . She wasn't satisfied with her teacher. B . She couldn' t concentrate in class. C. She was laughed at by her classmates. D. She couldn' t get on well with others. C 解析：细节理解题。根据第一段第二句\
When students in her class started calling
Prisilla的故事。
，“ she said.
\I told him to keep going, even if I
在学校不 Prisilla 可知，” Prisilla a boy, she felt ashamed, often crying and losing focus in school.
开心是因为她被同学嘲笑
2. What made Grimm have her own hair cut? A . Praise from her students. B . Devotion to her students. C. Request of Prisilla ' s mother. D. Suggestion from the hairstylist.
B解析：推理判断题。根据第三段的内容，尤其是\
Grimm thought about Prisilla...she had
an idea: Cut off her hair ”可知，Prisilla因为是短头发而被同学嘲笑，为了安慰 Prisilla, Grimm 老
师决定把自己的头发剪短。由此可推知， 3. What can we know about Grimm?
Grimm老师岀于对学生的关爱才剪短了头发。
A . She had her hair cut together with Prisilla. B . She expressed her sin cere tha nks to her pupils. C . She hesitated a lot before hav ing her hair cut. D . She won a gold medal for facing difficulties bravely. C解析：细节理解题。根据第三段第二句中的
rve n ever had short hair, and I stressed
about it for two weeks before making a decision ” 可知，Grimm 老师剪短头发之前很犹豫。 4 . What is the text main ly about? A . How Grimm helped her stude nt out. B . What problem Prisilla had at school. C . Why Prisilla won the Mon th Award. D . Whe n Grimm got her new hairstyle.
A解析：主旨大意题。通读全文可知，Prisilla因为是短头发而被同学嘲笑，
她在学校很不开心,
Grimm老师为了帮助、安慰她而剪短了自己的头发，故 B
A项最能概括文章大意。
（2020 贵阳普通高中监测 ）You try to keep your eyes wide open while watching a basketball
match or a wonderful firework show in case you might miss something exciting in just the blink of an eye. But in fact, huma ns bli nk about 15 times per min ute on average. Have you ever missed any thi ng because you bli nked? Probably not. Why is that?
Accord ing to a new study published in the jour nal Curre nt Biology in September, our brain
has the ability to skip the temporary dark ness whe n we bli nk. It can keep visual in formati on for a short period of time and then put it together to form an image without interruption.
—
In order to understand how this works, a group of scientists at the German Primate Center and the Uni versity Cen ter Gott ingen in Germa ny con ducted an experime nt. I n the study, the participa nts were asked to look at patter ns on a scree n whose directi on could be in terpreted in different ways, such as horizontally（ 水平地）or vertically（ 垂直地）.When one pattern was about to disappear and the n ext one was about to come, the participa nts had to in dicate the directi on that the n ext patter n would appear.
The researchers found that whe n the directi ons of two patter ns did n ' t match, the area in our brain which is resp on sible for visual memory was activated. This same area showed less activity whe n two patter ns were in the same directi on.
“The medial prefrontal cortex（ 额叶皮层 ）adjusts current visual information with previously obtained information, and thus enables us to perceive the world with more stability, even when we briefly close our eyes to blink , ” Caspar Schwiedrzik explained in Scienee Daily . He is the first author of the study and also a scientist at the German Primate Center.
【解题导语】 本文是一篇说明文。研究发现，眨眼并不会错过细节并解释了其原因。 5. We don't miss anything when blinking because our brain can ________ A . deal with the missing image B . remember all that we see C. imagine what our eyes miss D. put our pieces of memory together A 解析：推理判断题。根据第二段第一句\
According to a new study published in the
jour nal Curre nt Biology in September, our brain has the ability to skip the temporary dark ness when we blink. ”可知，根据九月份发表在《当代生物学》杂志上的一项新研究，我们的大脑有
能力跳过我们眨眼时形成的暂时黑暗。 眼不会让我们错过任何东西，故
据此可推知，由于我们的大脑能处理丢失的图像， 所以眨
A项正确。
6. What does the underlined word “it” in Paragraph 2 refer to? A . Our bra in. B . Visual information. C . Curre nt Biology
.
D . The temporary dark ness.
B 解析：代词指代题。根据第二段第二句\
It ca n keep visual in formation for a short period
of time and the n put it together to form an image without in terrupti on. \可知，大脑可以在短时间一 内
保存视觉信息，然后将其组合在一起形成不中断的图像，故可推知， 项正确。B，故” information
it指代上文中的\visual
7 . What do we know about the experime nt? A . The two patter ns appear at the same time. B . Visual memory can be more activated by similarity. C. Participa nts can in terpret patter ns differe ntly.
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