第1题：
A. worked
B. functioned
C. rolled
D. did
第2题：
He tried to--------（解释）,but she wouldn’t listen.
第3题：
A.Whatever
B.No matter
C.However
D.Although
第4题：
Mathematician have _____ computers to copy the way the brain works.
A. tried using
B. tried to use
C. tried use
D. tried to using
第5题：
Although John tried hard in the exam, he did _______ than his brother.
A.much worse
B.much better
C.much badly
D.more badly
第6题：
A.managed to
B.tried to
C.succeeded to
D.got to
第7题：
He tried to ________ （解释）,but she wouldn’t listen.
第8题：
A. turn⋯against
B. turn⋯to
C. turn⋯out
D. turn back
第9题：
He was sure to be successful, for he had always succeeded ________ whatever he tried.
A.of
B.at
C.in
D.for
第10题：
A.On all accounts
B.Without the doubt
C.Out of doubts
D.Out of accounts