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【单选题】
荧光渗透探伤法探伤的特点是（）。A.
检测灵敏度高
B.
缺陷分辨率高
C.
需要紫外线照射对工作人员有一定的影响
D.
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反馈参考答案：
举一反三
【简答题】（第六章）下面哈夫曼树中结点C的编码是（ ）。A. 1001
【简答题】Find out words with the prefix “self-”from the text.
【单选题】There was _____ I cared about how others may see me. Now I know how silly I was.
A.
a time that
B.
time that
C.
time when
D.
a time when
【简答题】任务型阅读。 How to Make the Most of Your Time Time management is important in our daily life. There never seems to be enough hours in the day to accomplish all you need to do. Here are some tips that might...
【单选题】Mr. Bush is on time for everything. How ____ it be that he was late for the important meeting?
A.
can
B.
should
C.
may
D.
must
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