钢管或球墨铸铁管道变形率应不超过3%,化学建材管道变形率应不超过2%。()
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How many syllables does the word "middle" have?
A. 1.
B. 2.
C. 3
D. 4
醑剂中药物浓度一般为()
A. 5%~10%
B. 20%~30%
C. 30%~40%
D. 40%~50%
E. 60%~90%
May was ________ upset when she heard about Tom's traffic accident.
A prematurely
B evidently
C thoughtfully
D remotely
They hoped to finish the kitchen by Friday, but ________ they will probably have to come back next week.
A so to speak
B as though
C as it is
D as a rule