PACT型轨道
参考答案:采用预制的钢筋混凝土支撑块与混凝土道床浇注成一体。
看图,读短文,在空格处填入正确的单词。
I am a big 1 . I'm from 2 ; now I'm in the US. I am four years 3 . My 4 is black and white.
Bamboo(何子) is 5 favorite food. I’m very shy.
I am a 6 . I'm 7 Africa, I like meat very much. People think I am 8 because I sleep and relax
20 hours every day. Many people think I'm scary.
Word文档默认的扩展名是( )。
A.dot
B.doc
C.txt
D.word