阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整。
每空限填一词，每词限用一次。
方框内的词：design, do, exercise, spend, way, with, but, they, check, healthy
Are you feeling stressed at school? There are many 36. to help you feel better, like eating your favorite food, doing exercise or listening to music. But do you know playing 37. dogs can help, too?
Scientists 38. an experiment (实验) with 105 students aged 8 to 9. They had 35 trained dogs and their trainers. They put the students into three groups. The first group 39. 20 minutes with a dog and its trainer twice a week for four weeks. They watched the dogs 40. tricks (戏法) and played with them. The second group spent the same time 41. . The third group did nothing special.
The scientists 42. the students' stress levels by looking at their cortisol(皮质醇), a stress hormone(激素). The more stressed you are, the more cortisol you have. The second and third groups had more cortisol. 43. the first group had less after playing with the dogs.
The study shows that playing with dogs makes students happier and lowers (降低) 44. stress. This is good for their 45. . But how long should they play with dogs? Scientists are still trying to find the best answer.

36. ways 37. with 38. designed 39. spent 40. do
41. exercising 42. checked 43. But 44. their 45. health

【分析】首先通读短文，理解短文主旨是关于与狗玩耍可缓解学生压力的研究。解题时需结合每个空的语境、语法规则（如词性、时态、固定搭配），从方框内的词中选择合适的词，并根据需要变形词形（如复数、过去式、动名词、词性转换等），确保填入后语句通顺、意思完整。
【解析】36. 空格前有many，需接可数名词复数，方框中way的复数形式为ways，符合“很多方法”的语境；37. 固定搭配play with意为“和……玩耍”，故填with；38. 科学家“设计”实验，时态为一般过去时，design的过去式为designed；39. 固定搭配spend time with sth/sb，时态为一般过去时，spend的过去式为spent；40. 固定搭配watch sb do sth，故用动词原形do；41. 固定搭配spend time doing sth，exercise需变为动名词exercising；42. 科学家“检查”学生的压力水平，时态为一般过去时，check的过去式为checked；43. 前后句为转折关系，故填But；44. 修饰名词stress需用形容词性物主代词，方框中they的形容词性物主代词为their；45. 形容词性物主代词their后需接名词，healthy的名词形式为health，符合“对他们的健康有益”的语境。
【答案】36. ways 37. with 38. designed 39. spent 40. do 41. exercising 42. checked 43. But 44. their 45. health
【知识点】词汇运用、固定搭配、词性转换
【点评】本题为英语选词填空题，考查学生在具体语境中运用词汇的能力，涉及固定搭配、时态变化、词性转换等基础知识点，需学生结合上下文逻辑和语法规则完成填空，难度适中。
【难度系数】0.6

阅读短文，根据语篇要求填空，使短文通顺、意思完整。每空限填一词。
It was my first day teaching. I saw a shy girl standing at the classroom door. I asked her what was wrong, but she didn't say anything. A boy said, "She's 46. Grade Four
and she is the laziest student in her class." I understood 47. her teacher wanted her to stay in Grade Three. I took her hand and led her into the classroom.
Later, I knew her parents had died in an accident. She 48. very sad and learned slowly. I helped her after school, and she started 49. do better. Little by little(逐渐), she became less shy. When she finished school, she seemed happy and no longer sad.
Every Teachers' Day, she sent me a card. A few days ago, I got 50. invitation(请帖) to her wedding(婚礼). Now, I am at her wedding, and she is smiling.

46. from/in 47. why 48. was 49. to 50. an

【分析】
通读短文，理解上下文语境，结合语法知识、固定搭配及逻辑关系逐一填空。46空需表达“来自/在四年级”，用合适的介词；47空需根据上下文逻辑填表原因的疑问词；48空描述过去状态，用be动词过去式；49空考查固定搭配；50空需根据冠词用法填合适的不定冠词。
【解析】
1. 46空：表示“在/来自四年级”，介词from或in符合语境，故填from/in；
2. 47空：前文男孩说明女孩的情况，此处表达“我明白为什么她的老师想让她留级”，用why引导宾语从句表原因，故填why；
3. 48空：描述过去的状态，主语为第三人称单数she，be动词过去式用was，故填was；
4. 49空：固定搭配start to do sth意为“开始做某事”，此处需填不定式符号to，故填to；
5. 50空：invitation是以元音音素开头的可数名词单数，表泛指“一份请帖”，用不定冠词an，故填an。
【答案】
46. from/in 47. why 48. was 49. to 50. an
【知识点】
介词、连词、冠词
【点评】
本题为语篇填空题，考查学生对英语词汇、语法及固定搭配在具体语境中的运用能力，需结合上下文逻辑和语法规则作答，难度适中。
【难度系数】
0.4