问题
单项选择题
各种气瓶的存放，必须距离明火（）以上，避免阳光暴晒，搬运时不能碰撞。
A.5米
B.8米
C.10米
D.4米
答案
参考答案：C
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各种气瓶的存放，必须距离明火（）以上，避免阳光暴晒，搬运时不能碰撞。
A.5米
B.8米
C.10米
D.4米
参考答案：C
You may think there is only sand in the desert of the world, but it is not true. In the desert, as we know, there is a little 1 and it is not 2 for most plants. Still we can see some plants live in the desert. There is 3 in some places in the deserts. We 4 these places oases(绿洲). In the oases, there are villages and towns. People grow 5 kinds of vegetables and rice in the fields there. People 6 live outside the oases. They have camels, sheep and other animals. These animals live 7 the desert plants for their food and do not need any water. The 8 are useful to the desert people in many ways. They eat the 9 and drink the milk of the animals. They 10 the camels for carrying water, food, and 11 . The people of the desert have to keep 12 from place to place. They must always look 13 grass or desert plants for their animals. When there 14 no more food for their animals, they move to another place. The desert people are 15 . Every one in the desert likes to help the people in trouble and give them food and water.
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