41.Mary has a _______ view of our future. But nobody believes what she said.A. portable B.primary C.possession D.positive
42.Nobody knows his _______ for helping us.
A. motive B.motion C.mood D.moral
43.Both sides agree to establish a _______ zone between the south and north.
A. midst B.mild C.mention D.neutral
44.This is a _______ moment for our research. We should be careful.
A. critical B.belt C.conscience D.copper
45.This textbook is for the _______ students, not for the beginners.
A. observation B.transportation C.advanced D.transfer
46.When I read the newspaper, I always read the _______ first.
A. headlines B.headquarters C.heaven D.horizon
47.They _______ our house at $10,000.
A. count B.vanish C.weave D.assess
48.When he studied at college, Jack was supported by a _______.
A. treatment B.assistance C.scholarship D.protein
49.Even as _______, he made several wonderful inventions.
A.a stock B.a representative C.an undergraduate D.a gulf
50.An emergency _______ is very important in case of fire.
A. exit B.deposit C.discharge D.elaborate