45. the class had a short break, then the teacher his lecture.分析与解答
a. proceeded
b. proceeded to
c. proceeded from
d. proceeded with
46. to take no notice of something is to it.分析与解答
a. forget
b. ignore
c. refuse
d. lose sight of
47. the reason she failed in the exam was .分析与解答
a. that she hadn't worked hard
b. because she hadn't worked hard
c. why she hadn't worked hard
d. because she was too careless
48. next time i catch you , i'll turn you in to the police.分析与解答
a. stealing from others' pockets
b. steal from other's pockets
c. stealing other's pockets
d. to steal from other's pockets
49. external appearances are concerned, radioactive materials do not look different from other substances.分析与解答
a. as far as
b. as good as
c. as soon as
d. as well as
50. the children are opposed to without their uncle.分析与解答
a. have a party
b. have held a party
c. take part in a party
d. having a party
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