问题
选择题
下列关于空气的说法正确的是[ ]
A.空气是一种化合物
B.空气中既有单质也有化合物
C.空气里含量最多的气体是氧气
D.细铁丝可以在空气中剧烈燃烧，火星四射，生成一种黑色固体
答案
答案：B
搜题请搜索小程序“爱下问搜题”
下列关于空气的说法正确的是[ ]
A.空气是一种化合物
B.空气中既有单质也有化合物
C.空气里含量最多的气体是氧气
D.细铁丝可以在空气中剧烈燃烧，火星四射，生成一种黑色固体
答案：B
完型填空。（本题10小题，每小题1分，共10分） Welcome to Wenzhou 1, everyone! Let me 2 you many different animals today. Listen! Many 3 are singing in the tree. Can you see some monkeys? They are clever and like 4 bananas. Look! There are many koalas. They 5 from Australia. They are quiet, 6 and cute. Children like them. Oh, there’s a tiger in the cage（笼子）7 the tree. It eats a lot of 8 every day. I like pandas best 9 they live only in China. Animals are our friends, we should take care of （照顾）them. I’m 10 you’ll have a good time here.
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