11.In the United States， the foreign policy is decided by the ________ government， not by each state.
    A. federal
    B.figure
    C.scientific
    D.service
    12.He works in our university as a visiting _______， not as a formal faculty member.
    A. traditional
    B.scholar
    C.nurse
    D.pilot
    13.When you fill in the application form， please use your _______ address so that we can contact you easily later.
    A. policy
    B.plain
    C.permanent
    D.principal
    14.John _______ to be a polite man. But in fact he is very rude.
    A. pretends
    B.assures
    C.affords
    D.melts
    15.We can not trust him any more because he often ________ his duty.
    A. owes
    B.spoils
    C.deserts
    D.neglects
    16.In order to increase our output， we need to import more production _______.
    A. facilities
    B.hens
    C.votes
    D.artists
    17.When a spacecraft travels， one of the major problems is reentry into the Earth’s _______.
    A. surface
    B.atmosphere
    C.attitude
    D.bent
    18.This river forms a natural _______ between China and Korea.
    A. boundary
    B.string
    C.spot
    D.zone
    19.She is already 16years old. But she _______as if she were still a little girl.
    A. believes
    B.absorbs
    C.accrses
    D.behaves
    20.We are _______ at the rapid progress Mark has made in this semester.
    A. distinguished
    B.annoyed
    C.astonished
    D.scored
    答案：
    11.A 12.A 13.B 14.D 15.A
    16.B 17.D 18.D 19.A 20.C