Her speech made a great impression ________ the audience.[ ]
A.in
B.on
C.at
D.of
答案:B
Children under sixteen are not permitted to see such kind of films as ________ bad for their mental
development.[ ]
A. was
B. were
C. is
D. are
急性肾功能不全最为突出的临床表现是
A.霍乱副霍乱休克B.中毒性菌痢休克C.流脑爆发休克型D.流行性出血热休克E.伤寒发生休克