（    ）6．A．in                  B．at                 C．on                  D．with

（    ）5．A．women           B．children        C．students        D．scientists

（    ）4．A．or                  B．so                C．because           D．but

（    ）3．A．on time          B．all the time      C．in time         D．no time

（    ）2．A．look               B．see               C．read                D．watch

（    ）1．A．low                B．rich              C．lonely             D．high

    It’s our duty 14．_______the forests well．Everyone should try his best l5．________ a contribution to taking care of the forests．Stop cutting down the trees and make the world greener．

What will happen 7．_____the forests disappear? A lot of plants will die and the animals will 8．________their homes．In many places the new farmland will soon look 9．_______the old desert．Crops will not grow there．There won’t enough 10．_________，and the weather will get hot and dry．If the climate of the earth changes，life will be 11．_______for everyone．Our living environment will become 12．_________．More and more rich farmland will disappear．We will suffer a lot from l3．________drought and floods．

    Today we can see that many people are cutting down trees in the forests．A lot of 1．_____ land has become deserts．If we 2．______newspapers，we’ll learn that the forests on the earth are getting smaller 3．_______．We are cutting down large number of trees 4．_______we need wood and farmland．Some 5．________say that there will not be any great forests 6．_______20 or 30 years．

（    ）20．_______is the population of Shandong Province?

        A．How many             B．Which          C．How much           D．What