题目内容
4.Natural Wonders of the World| The Deepest Lake in the World Lake Baikal in Russia is the deepest lake in the world.It is 1,637 meters deep.It is also the largest freshwater lake in the world. | The Biggest Lake in the World The biggest lake in the world is the Caspian Sea.It has a surface area of 371,000square kilometers.The Caspian Sea is salty,about 1/3as salty as seawater. |
| The Hottest Desert in the World The hottest desert in the world is the Sahara Desert.In 1922,scientists recorded a record high temperature of 58°C.Though it's hot there during the day,it sometimes freezes at night. | The Largest Volcano (火山) in the World The largest volcano in the world is Mauna Loa in Hawaii.It is about 17,000meters high from the bottom to the top.Mauna Loa is much larger than Mt.Everest but most of Mauna Loa is underwater. |
A.Lake Baikal.
B.Caspian Sea.
C.Sahara.
D.Mauna Loa.
48.How high is the largest volcano in the world?A
A.17,000meters.
B.371,000meters.
C.1,922meters.
D.1,637meters.
49.Sometimes,it'sC at night in Sahara Desert.
A.hot
B.warm
C.freezing
D.cool.
分析 本文介绍了几个世界奇迹,世界上最深的湖,最大的湖,最热的沙漠,最大的火山.
解答 47.B细节理解题.根据The biggest lake in the world is the Caspian Sea可知Caspian Sea里海是世界上最大的湖,故选B.
48.A细节理解题.根据The largest volcano in the world is Mauna Loa in Hawaii.It is about 17,000meters high from the bottom to the top可知世界上最大火山高17000米,故选A.
49.C细节理解题.根据Though it's hot there during the day,it sometimes freezes at night.可知在撒哈拉沙漠晚上会结冰,故选C.
点评 做题时要在理解好文意的基础上,与题目有机的结合,从文章中找到相关细节性的句子与选项细细比对,进行选择或推理判断,选出符合文章内容的正确选项.做题注意灵活,有时可采用排除法或直选法确定出最终答案.
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