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【单选题】
某材料其含水率与大气平衡时的抗压强度为40．0MPa，干燥时抗压强度为42．0MPa，则材料的软化系数为( )，耐水性为( )。A.
0．95、耐水
B.
0．90、耐水
C.
0．952、耐水
D.
0．90、不耐水
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【单选题】听力原文：W: Tony, I just moved into my new apartment, and I need to have the phones hooked up. I have no idea what I am doing. I have to make all these decisions about local, local long-distance, and long...
A.
Lower prices.
B.
More choices.
C.
More competition.
D.
More companies.
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