填空题Please look up the new words in a d().
单项选择题This text is written for ().
A.teachers B.parents C.students D.visitors
填空题第(1)空()
单项选择题第(2)空应选择()
A.because B.none C.but D.neither
单项选择题Why do we use the weather satellites to take pictures of the atmosphere Because().
A.the weather satellites can do it easily B.clouds form there C.the weather forms there D.the pictures can forecast the weather