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26春八下Unit4英语选词填空专项
（一）
阅读下面短文，从方框中选择适当的词并用其正确形式填空。
Can you imagine a sea of sand three times 1. _________ than India This is the Sahara Desert, the 2. ____________ desert in the world. It 3. ____________ 11 countries in North Africa and is over 9 4. ____________ square kilometers. That's more than 25% of Africa.
In the Sahara, temperatures are very different during the day and at night. It is much 5.____________ during the day. The hottest time is between 2 p.m. and 4 p.m., when temperatures rise to 38℃. But it is very cold at night—the coldest time is at 4 a.m., when temperatures fall to -4℃. The Sahara is also very dry. It seldom 6. ____________. Because of the temperatures in the desert, it is a very difficult place 7. ____________.
During the day, cover 8. ____________ body, head and face. Clothes protect you from the sun and keep water in your body. You will also need a warm blanket at night. It can get cold more 9.___________. When the temperature drops, it can be a shock and make you feel even 10.____________.
（二）
阅读下面短文，从方框中选择适当的词并用其正确形式填空。
You must have heard of the legend of Yu Gong, who tried to move two mountains. The Taihang Mountain was one of the two mountains.
The Taihang Mountain 1. __________ through the areas of Hebei, Shanxi, Henan and Beijing. It is about 400 kilometres long. It is a large mountain range in North China, and it 2. __________ called "the backbone (脊梁) of China" in ancient times.
Many of the legends about the very beginning of human civilization come 3. __________ the Taihang area. For example, Nü Wa used stones to repair the sky to make sure that humans would have a 4. __________ and safer future; Houyi protected everyone by 5. __________ the suns; Emperor Yan, one of the earliest Chinese emperors, tried large numbers of herbs and taught people how to use them to 6. __________ diseases.
The Taihang Mountain is not only where the ancient stories happened, but also a place where tens of thousands of fossils (化石) were found. These fossils show the 7. __________ earth. At the same time, we can also learn about how ancient humans lived from many 8. __________ around the area.
Nowadays, there are 9. __________ forests around the area with beautiful colours in four seasons. It is home to many animals and plants as well.
10.__________ you need a trip that helps you learn different things about history, culture and so on, you can go to the Taihang Mountain.
（三）
阅读下面短文，从方框中选择适当的词并用其正确形式填空。
Lake Natron is a lake in Tanzania, East Africa. Its water is red, and the lake is one of the saltiest lakes in the world. The red colour 1. ___________ from salt-loving organisms (生物) called halophiles. This is a(n) 2. _________ wonder, but also dangerous to many living things.
Lake Natron is very hot. And 3. _________ water can reach 60℃. The lake's high salt levels can burn skin and even damage (损害) eyes. That's why many animals cannot live here. But one special bird, the flamingo, loves this lake. It 4. _________ nests on the salt islands. Every year, thousands of flamingos come here to lay 5. _________ and raise their chicks. The lake gives them a(n) 6. _________ home, because few animals can reach their nests.
The lake's beauty is 7. _________. Sometimes it looks red, sometimes pink, and sometimes silver or orange. This depends on the sunlight, 8. _________, and algae (藻类) in the water. Its colours change throughout the day and 9. ___________ seasons. Strong winds can also change the shape of the salt crusts. People must be careful here. Walking near the lake is 10. _________. The salt crust can break, and people can fall into the hot, salty water. The air around the lake sometimes smells terrible because of chemicals in the water. Still, it is a magical place to visit and study, especially for scientists and photographers.
答案
（一）
1. larger
2. biggest
3. covers
4. million
5. hotter
6. rains
7. to live
8. your
9. quickly
10. colder
（二）
1. passes
2. was
3. from
4. better
5. shooting
6. treat
7. natural
8. discoveries
9. changing
10. If
（三）
1. comes
2. natural
3. its
4. builds
5. eggs
6. safe
7. changeable
8. temperature
9. above
10. risky

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