问题
选择题
Once new difficulties ______ in your work, it’s always important to use your brains. [ ]
A. raise
B. arise
C. arouse
D. rise
答案
答案：B
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Once new difficulties ______ in your work, it’s always important to use your brains. [ ]
A. raise
B. arise
C. arouse
D. rise
答案：B