文档中含有该单元全部六套试卷答案。
C) closed down
D) closed around
正确答案： C
48.
It’s so ________ of you to complain in the presence of the director.
A) senseless
B) sensible
C) sensitive
D) sensual
正确答案： A
49.
The plane ________ so smoothly that the passengers could hardly feel it.
A) took off
B) took up
C) took over
D) took on
正确答案： A
50.
The manager’s arguments are rather _________ to criticism.
A) sensitive
B) vulnerable
C) opposed
D) exposed
正确答案： B
51.
In case of damage, our manager had all the possessions _________.
A) insured
B) ensured
C) assured
D) guaranteed
正确答案： A
52.
The local government has ________ several highways in this district.