51.
A. numbers
B. music
C. secrets
D. films
52.
A. appeals
B. appoint
C. appears
D. applies
53.
A. because
B. unless
C. although
D. still
54.
A. about
B. in
C. for
D. behind
55.
A. criminals
B. people
C. men
D. policemen
56.
A. when
B. until
C. before
D. than
57.
A. device
B. paper
C. file
D. document
58.
A. However
B. So
C. But
D. Nevertheless
59.
A. invisible
B. non-existent
C. visible
D. apparent
60.
A. card
B. keys
C. screen
D. speaker
61.
A. of
B. up
C. on
D. into
62.
A. upon
B. back
C. without
D. with
63.
A. was given
B. belonged
C. was owned
D. became
64.
A. Generally
B. Surprisingly
C. Disappointedly
D. Shortly
65.
A. explanation
B. discovery
C. book
D. list
【福利】英语外教一对一,免费领取2节外教课 | 【给力】手机恒星网开通啦 |