Riversareoneofourmostimportantnaturalresources.Manyo...
问题详情:
Rivers are one of our most important natural resources. Many of the world’s great cities are located on rivers, and almost __1_______ country has at least one river __2_______(flow) through it that plays __3________ important part in the lives of its people.
Since the beginning of history, people _4______________ (use) rivers for transportation. The longest one in the United States is the Mississippi, and the lifeline of Egypt is the Nile. __5_____________ transportation, rivers give water to drink, water for crops, and chances for fun and recreation (消遣,*活动)for the people __6________________ live along their banks.
However, large cities and industries that are located on rivers often make problems. As the cities grow __7____________ size and industries increase in number, the water in the rivers becomes __8_____________ (pollute) with chemicals and other materials. People come to kwon the __9_____________ (important) of doing more to keep their rivers clean __10_____________ they want to enjoy the benefits of this natural resource.
【回答】
1. every / each 2. flowing 3 an 4 have used 5 Besides
6 who 7 in 8 polluted 9 importance 10 if
知识点:语法填空
题型:阅读填空
-
下列加点词注音全对的一项是( )A.浣女(huàn) 谄媚(xiàn) 邂逅(xiè)B.惘然(wǎn...
问题详情:下列加点词注音全对的一项是( )A.浣女(huàn) 谄媚(xiàn) 邂逅(xiè)B.惘然(wǎnɡ) 纶巾(ɡuān) 铜钿(tián)C.湓浦(pǔ) 贾人(ɡǔ) 嘲哳(zāo)D.迸发(bènɡ) 谪居(zhé) 锦瑟(sì)【回答】【*】B【解析】试题分析:A.Chǎn,C.zhāo,D.s...
-
对于锌一铜一稀硫*组成的原电池装置中,当导线中有1mol电子通过时,理论上的两极变化是( )。 ①锌片...
问题详情:对于锌一铜一稀硫*组成的原电池装置中,当导线中有1mol电子通过时,理论上的两极变化是( )。 ①锌片溶解了32.5g②锌片增重32.5g③铜片上析出lgH2 ④铜片上析出1molH2 A.①和③ B.①和④ C.②和③ D.②和④【回答】A知识...
-
已知铁的一种氧化物,其中含氧元素的质量分数为30%,则这种铁的氧化物的化学式为 ( ) A.FeO ...
问题详情:已知铁的一种氧化物,其中含氧元素的质量分数为30%,则这种铁的氧化物的化学式为()A.FeO B.Fe2O3C.Fe3O4 D.无法判断【回答】B知识点:金属的化学*质题型:选择题...
-
某有机物结构简式为,下列关于该有机物的说法中不正确的是( )A.遇FeCl3溶液显紫*B.与足量的*氧化*溶...
问题详情:某有机物结构简式为,下列关于该有机物的说法中不正确的是()A.遇FeCl3溶液显紫*B.与足量的*氧化*溶液在一定条件下反应,最多消耗NaOH3molC.能发生缩聚反应和加聚反应D.1mol该有机物与溴发生加成反应,最多消耗1molBr2【回答】解析A项,有机物分子中存在*羟基,所以...
相关文章
- Youmaybesurprisedtosee"makingsurechildrennever'suffe...
- Youmaybesurprisedtosee"makingsurechildrennever'suffe...
- 完形填空Nosports,nolife.Sportsareveryimportanttous.Sportshe...
- Youmaybesurprisedtosee"makingsurechildrennever'suffe...
- —Don'tforgettocometoourschoolassembly(*)tomorrowmornin...
- 完形填空。Nosports,nolifeSportsareveryimportanttous.Sportshe...
- Europe’sMarsorbiter(人造卫星)hasfoundwatermolecules(分子)vapo...
- Youmaybesurprisedtosee"makingsurechildrennever'suffe...
- Youmaybesurprisedtosee"makingsurechildrennever'suffe...
- 完形填空Somecountrieshavelargenumbersofearthquakes. 1donoth...