-- Don't you think Jack's health has been ruined by overdrinking?-- Yes, he told me _________ himself.
A. the thing
B. it
C. so
D. the fact
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-- It's a fatal disease, isn't it?-- No, I don't believe ________.
A. so
B. in it
C. such
D. in that
同一张图样中,同类图线的宽度应()。
A. 一致
B. 不一致
C. 不同
D. 任意
绘制尺寸线、尺寸界线等时,应采用()线。
A. 粗实线
B. 细实线
C. 虚线
D. 点画线
下列符号中表示强制国家标准的是( )
A. GB/T
B. GB
C. GB/A
D. GB/Z