文档中含有该单元全部六套试卷答案。
正确答案： B
43.
Modern forms of transportation and communication have done much to ________ the isolation of life in Alaska.
A) break through
B) break down
C) break into
D) break out
正确答案： A
44.
It’s outrageous, and we won’t ________ any more.
A) stand for
B) stand out
C) stand by
D) stand over
正确答案： C
45.
In India more than one hundred languages are spoken, ______ which only fourteen are recognized as official.
A) of
B) by
C) with
D) within
正确答案： A
46.
If I criticize him, he gets ______ and starts shouting.
A) defensive
B) impressive
C) aggressive
D) decisive
正确答案： C
47.
Many businesses have ______ because of the recession.
A) closed up