演练8
For some people, the sight of a mouse can be reason to scream. For other mice, the same sight can be reason to sing.
Mice will probably 1 sing their way to any concert, but researchers in the United States have found 2 that mice do, 3 , sing.
Scientists already knew that mice make ultrasonic(超声波) soundsnoises that are too high-pitched(高音的) for people to hear 4 special equipment.
To find out whether mice put such sounds together in song-like 5 , the researchers recorded the sounds of 1 mice. Using computer 6 , they were able to separate the sounds into specific types of syllables(音节), and found the mice produced about 10 syllables per second.
The results showed that nearly all of the mice repeated sequences(顺序) of syllables in different patterns. Thats enough to meet the definition of what scientists 7 song. But not all scientists are 8 _ that what the mice are doing is 9 singing. To prove it, the researchers must show that theres learning involved. And, they need to __ 10 why the mice sing.
1. A. almostB. even C. neverD. usually
2. A. coincidenceB. evidenceC. guidanceD. instance
3. A. at onceB. by meansC. for exampleD. in fact
4. A. duringB. insideC. throughD. without
5. A. fashionsB. instructionsC. patternsD. styles
6. A. accessB. printerC. screenD. software
7. A. callB. hearC. singD. write
8. A. accustomed B. convincedC. involved D. qualified
9. A. actuallyB. obviouslyC. simply D. unlikely
10. A. figure outB. get aboutC. run acrossD. talk over
点击查看2009年高考广东卷完形填空精练16篇参考答案
国际英语资讯:S.Korea confirms 477 more cases of COVID-19, 4,812 in total
国内英语资讯:Chinas e-commerce giant JD.com delivers solid quarterly results, shares surge
体坛英语资讯:Real Madrid sleep as leaders on Saturday after beating Sevilla
国内英语资讯:Vice premier stresses role of medics sent to Hubei in anti-virus battle
卢森堡成为全球首个公共交通免费国家
体坛英语资讯:Foreign coach helps develop tennis in Northwest China
国际英语资讯:News Analysis: Erdogan-Putin meeting expected to ease spiking tensions in Syrias Idlib: ex
国际英语资讯:Interview: Friendly cooperation between China, Indonesia showcased in joint fight against CO
体坛英语资讯:Rashford out until February due to back injury
一网红假装在巴厘岛度假,实际居然在宜家!
体坛英语资讯:Chicago Fire FC sign Slovenian striker Beric from Saint-Etienne
国内英语资讯:Chinas Hubei to close temporary hospitals as situation improves
《利刃出鞘》导演:电影中的坏人不能用苹果手机
国际英语资讯:Death toll in Indian capital communal violence rises to 46
体坛英语资讯:Chinas Zheng, Huang regain mixed doubles title at Indonesia Masters
国内英语资讯:China ramps up efforts to help small businesses tide over tough time
一个癌症患者的愿望
BBC推荐:三月份最精彩的电影
体坛英语资讯:Leipzig beat Union Berlin 3-1 to extend lead atop standings
耐克2020奥运系列出炉了
国际英语资讯:WHO chief says South Korea, Italy, Iran, Japan greatest concern for COVID-19
体坛英语资讯:Shanxi defeats Nanjing 96-86 in CBA
体坛英语资讯:Haaland in the footsteps of Aubameyang and Lewandowski
国内英语资讯:Chinese envoy urges UN General Assembly to put development issues on top of agenda
国内英语资讯:China to boost precise prevention, care for frontline community workers in COVID-19 fight
体坛英语资讯:Setien starts with win as Barca and Real Madrid pull clear in Spain
国际英语资讯:Tunisia hosts Arab interior ministers council
为什么会有四年一次的闰日?
国内英语资讯:Xinhua Headlines-Xi Focus: Xi stresses COVID-19 scientific research during Beijing inspectio
卢森堡成为全球首个公共交通免费国家
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |