题目内容
5．About____ of the earth covered with water，but we have less and lessavailable fresh water．（ ）
| A． | three-fourth，is | B． | three-fourths，is | ||
| C． | three-fourth，are | D． | three-fourths，are |
分析 地球大约四分之三被水覆盖．但是我们拥有可用的淡水越来越少．
解答 答案：B．根据About____ of the earth covered with water，but we have less and less available fresh water结合选项可知地球大约四分之三被水覆盖．但是我们拥有可用的淡水越来越少．句子里有分数四分之三，其表达是：分子用基数词，分母用序数词，当分子大于一时，分母应加"s"；根据语境，这里主语分数为单数概念，根据主谓一致原则，谓语动词也应用第三人称单数；故应B．
点评 抓住考点，找出词眼（分数），仔细分析，把握住单词的固定搭配（分子用基数词，分母用序数词，当分子大于一时，分母应加"s"），结合语境确定正确的选项．
练习册系列答案
阅读快车系列答案
相关题目
13．The weather in Lanzhou is different from __________ in Tianshui．（ ）
| A． | that | B． | one | C． | it | D． | those |
20．-could you please tell me ____？-Of course．On the second floor．（ ）
| A． | when you bought the shoes | B． | where you bought the shoes | ||
| C． | why you bought the shoes | D． | where did you buy the shoes |
10．---I seem to be lost．Could you tell me _________？
---Sure．You can take the No.4bus to get there．（ ）
---Sure．You can take the No.4bus to get there．（ ）
| A． | where is the nearest hotel | |
| B． | how long it will take me to the airport | |
| C． | how far is my trip to Gaoyou Lake | |
| D． | how I can get to Wenyou Temple |
17．-Ann，could you tell me ______ yesterday？
-Oh，I went to the supermarket near my home．（ ）
-Oh，I went to the supermarket near my home．（ ）
| A． | where did you go | B． | where will you go | ||
| C． | where you went | D． | where you will go |
15．-Tell me ________ my glasses，Sam．
-They were just on the table，grandma．（ ）
-They were just on the table，grandma．（ ）
| A． | where will you find | B． | where you will find | ||
| C． | where did you find | D． | where you found |