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【单选题】
已知COM40SAX 品种粗纱定量5.2g/10m，求细纱理论牵伸倍数是（）
A.
35.62
B.
13
C.
38.63
D.
43.0
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Part ADirections: Read the following four texts．Answer the questions below each text by choosing A, B, C or D．(40 points)The long year of food shortage in this country have suddenly given way to appar...
A.
The abundant food supply is not expected to last
B.
Britain is importing less food
C.
Despite the abundance, food prices keep rising
D.
Britain will cut back on its production of food