题目内容：

《大学英语（1）》在线作业二
41.The little girl must have lain there for a long
time,____________
A.mustn't she
B.hasn't she
C.wasn't she
D.didn't she
满分：2 分
42.Only when the plan failed____________ his mistakes.
A.did he realize
B.does he realize
C.he realized
D.he realizes
满分：2 分
43.When you read a book in a hurry,you can _________
some less important details.
A.leave
B.skid
C.skip
D.skin
满分：2 分
44.Intelligent students can always ___ good solutions
to problems.
A.carry out
B.come up with
C.look into
D.catch up with
满分：2 分
45.I've enjoyed____________ to talk with you.
A.to be able
B.being able
C.to been able
D.of being able
满分：2 分
46.___ Thursday evening at seven,Dr.Stanley will
give a lecture in Bailey Hall on Three Days in China.
A.In
B.On
C.At
D.From
满分：2 分
47.Silk _______ by Chinese for thousands of years now.
A.has used
B.has been used
C.was used
D.is used
满分：2 分
48.My aunt has lived in New York ______ 1995.
A.for
B.during
C.in
D.since
满分：2 分
49.The purpose of new technology is to make life
easier,____________it more difficult.
A.not making
B.not make
C.not to make
D.nor to make
满分：2 分
50.____the teacher____at this college last year?Yes,
he did.
A.Did,taught
B.Does,teach
C.Did,teach
D.Is,teaching

优质解答

41.B
42.A
43.C
44.B
45.B
46.B
47.B
48.D
49.C
50.C