第三节 听取信息，每空仅填一词或数字（每小题1分，共5分）
Yuan Longping—Father of Hybrid Rice
Birth
He was born in 1930.
Early experiences
He first worked as a A. .
Career
In 1960, he started B. into hybrid rice.
In 1964, he found a C. hybrid rice plant.
Although people doubted his idea, he kept doing D. .
Years later, he developed a new type of hybrid rice.
Influence
In 1979, this new rice was introduced to the USA. Today, over E. countries have grown hybrid rice. His work has helped millions of people live a better life.

A. teacher B. research C. natural D. experiments E. 100

A. 找出下列单词中画线部分的发音与其他不同的单词。
11. A. application
B. balanced
C. fancy
D. amazing
12. A. move
B. discovery
C. improve
D. remove
13. A. idea
B. invent
C. ignorance
D. improve
14. A. crown
B. allow
C. shower
D. bowl
15. A. therefore
B. thus
C. theory
D. though

11. D 12. B 13. A 14. D 15. C

【分析】本题为英语单词划线部分发音辨析题，解题思路是：逐个分析每个选项中划线字母/字母组合的音标，对比找出与其他三项发音不同的选项，完成每道小题的选择。
【解析】
11题：A选项application中划线a发音为/æ/；B选项balanced中划线a发音为/æ/；C选项fancy中划线a发音为/æ/；D选项amazing中划线a发音为/ə/，故答案为D。
12题：A选项move中划线o发音为/uː/；B选项discovery中划线o发音为/ə/；C选项improve中划线o发音为/uː/；D选项remove中划线o发音为/uː/，故答案为B。
13题：A选项idea中划线i发音为/aɪ/；B选项invent中划线i发音为/ɪ/；C选项ignorance中划线i发音为/ɪ/；D选项improve中划线i发音为/ɪ/，故答案为A。
14题：A选项crown中划线ow发音为/aʊ/；B选项allow中划线ow发音为/aʊ/；C选项shower中划线ow发音为/aʊ/；D选项bowl中划线ow发音为/əʊ/，故答案为D。
15题：A选项therefore中划线th发音为/ð/；B选项thus中划线th发音为/ð/；C选项theory中划线th发音为/θ/；D选项though中划线th发音为/ð/，故答案为C。
【答案】11.D 12.B 13.A 14.D 15.C
【知识点】英语单词发音辨析、元音字母发音、辅音字母组合发音
【点评】本题考查英语基础语音知识，是常见的语音题型，需准确掌握单词的正确读音，平时多积累常见字母及字母组合的发音规则，难度适中，细心分析即可正确作答。
【难度系数】0.7

B. 找出下列单词中重读音节与其他不同的单词。
16. A. achieve B. respect C. reject D. nature
17. A. famous B. meaning C. problem D. displace
18. A. brilliant B. important C. influence D. gravity
19. A. consider B. decorate C. harmony D. popular
20. A. completely B. introduce C. electric D. discover

16. D 17. D 18. B 19. A 20. B

【分析】
要找出每组单词中重读音节不同的选项，需先明确每个单词的音标，确定其重音所在的音节位置，再对比四者的重音位置，选出与其他三个不同的单词。
【解析】
16. 各单词音标及重音位置：A. achieve /əˈtʃiːv/（重音在第2音节）；B. respect /rɪˈspekt/（重音在第2音节）；C. reject /rɪˈdʒekt/（重音在第2音节）；D. nature /ˈneɪtʃə(r)/（重音在第1音节），故答案为D。
17. 各单词音标及重音位置：A. famous /ˈfeɪməs/（重音在第1音节）；B. meaning /ˈmiːnɪŋ/（重音在第1音节）；C. problem /ˈprɒbləm/（重音在第1音节）；D. displace /dɪsˈpleɪs/（重音在第2音节），故答案为D。
18. 各单词音标及重音位置：A. brilliant /ˈbrɪliənt/（重音在第1音节）；B. important /ɪmˈpɔːtnt/（重音在第2音节）；C. influence /ˈɪnfluəns/（重音在第1音节）；D. gravity /ˈɡrævəti/（重音在第1音节），故答案为B。
19. 各单词音标及重音位置：A. consider /kənˈsɪdə(r)/（重音在第2音节）；B. decorate /ˈdekəreɪt/（重音在第1音节）；C. harmony /ˈhɑːməni/（重音在第1音节）；D. popular /ˈpɒpjələ(r)/（重音在第1音节），故答案为A。
20. 各单词音标及重音位置：A. completely /kəmˈpliːtli/（重音在第2音节）；B. introduce /ˌɪntrəˈdjuːs/（重音在第3音节）；C. electric /ɪˈlektrɪk/（重音在第2音节）；D. discover /dɪˈskʌvə(r)/（重音在第2音节），故答案为B。
【答案】
16. D 17. D 18. B 19. A 20. B
【知识点】
英语单词重读音节识别
【点评】
本题考查英语单词重音位置的掌握，需学生熟悉常见单词的发音及重音规则，如部分带前缀的单词重音位置、多音节单词的重音规律，平时积累单词时需结合发音记忆，避免重音混淆。
【难度系数】
0.4

第二节 语法选择（每小题1分，共10分）
Kenneth had long been interested in helping the elderly. That year, he faced a real challenge. His grandfather suffered 21. Alzheimer’s Disease, a brain illness which causes memory loss. At that time, his grandfather often wandered out of the house at night. Kenneth’s aunt had to stay awake every night to watch him. As a result, she was 22. tired that her health nearly broke down. Seeing this,
Kenneth knew he had to do something.
The problem seemed difficult 23. at first, but Kenneth did not give up. He wondered 24. he could design a sensor to detect his grandfather’s activity at night. He tested as 25. materials as possible before he found the right one. After a year of trial, his invention was finally completed.
26. small sensor could be attached to socks, shoes, or even bare skin.
27. the patient stood up, it sent a message to his family member’s smartphone immediately. In the tests on his grandfather, it worked 28. . Since then, his invention 29. by over 10,000 families.
“Technology should be used to make people’s lives better,” Kenneth said. “A great idea doesn’t have to be complicated. Sometimes, 30. solution is the best.”
21. A. from B. with C. in D. by
22. A. such B. too C. so D. very
23. A. solve B. to solve C. solving D. to solving
24. A. why B. when C. where D. how
25. A. many B. much C. more D. most
26. A. A B. An C. The D. /
27. A. When B. Since C. Before D. Until
28. A. good B. well C. better D. best
29. A. uses B. is used C. has used D. has been used
30. A. simple B. simpler C. simplest D. the simplest

21. A 22. C 23. B 24. D 25. A 26. C 27. A 28. B 29. D 30. D

【分析】本题为语法选择题，围绕Kenneth为帮助患老年痴呆的爷爷发明传感器的故事展开，需结合固定搭配、句型、冠词、时态语态等语法知识及上下文语境逐一分析：21题考查患病的固定搭配；22题考查so...that句型；23题考查不定式作状语的结构；24题考查宾语从句引导词；25题考查修饰可数名词的形容词；26题考查特指的冠词用法；27题考查时间状语从句的连词；28题考查副词修饰动词；29题考查现在完成时的被动语态；30题考查形容词最高级。
【解析】
21. 考查固定搭配。suffer from是固定短语，意为“遭受（疾病）”，此处指爷爷患老年痴呆，故选A。
22. 考查固定句型。so + 形容词 + that...是固定句型，意为“如此……以至于……”，此处修饰形容词tired，符合语境，故选C。
23. 考查非谓语动词。“sth is + adj. + to do”结构中，不定式作状语，用主动形式表被动含义，故选B。
24. 考查宾语从句引导词。根据语境，他想“如何”设计传感器，表方式，用how引导宾语从句，故选D。
25. 考查形容词。as many as possible修饰可数名词复数materials，many用于修饰可数名词，much修饰不可数名词，故选A。
26. 考查冠词。此处特指前文提到的那个小传感器，用定冠词the，故选C。
27. 考查连词。根据句意，当病人站起来时，传感器发送信息，表时间，用when引导时间状语从句，故选A。
28. 考查副词。此处修饰动词worked，需用副词well，good为形容词，不能修饰动词，故选B。
29. 考查时态和语态。since then是现在完成时的标志，且invention与use是被动关系，故用现在完成时的被动语态has been used，故选D。
30. 考查形容词最高级。根据语境，“最简单的解决办法是最好的”，形容词最高级前需加定冠词the，故选D。
【答案】21.A 22.C 23.B 24.D 25.A 26.C 27.A 28.B 29.D 30.D
【知识点】固定搭配、冠词用法、时态语态
【点评】本题为初中英语常见语法选择题，以发明帮助老人的传感器为语境，考查核心基础语法知识，注重结合语境分析，难度适中，适合初中阶段学生练习。
【难度系数】0.6