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【单选题】
某350MW机组的主蒸汽温度为566℃，主蒸汽压力为24.2MPa，此机组对锅炉给水含氧量的要求是（ ）μg/L。A.
0
B.
7
C.
15
D.
30
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【简答题】They have come to the conclusion ________ this winter will be even colder than before. A: that B; for C; which
【简答题】Mary received ________ many postcards at Christmas. A．so B．such C．too D．even
【单选题】听力原文：W: Mary works much harder than Joe. M: But Jim works even harder than Mary. Who works the hardest?
A.
Jim.
B.
Mary.
C.
Joe.
D.
Both Jim and Mary.
【单选题】_______ with her sister, Mary is even more hardworking and better at her lessons.
A.
Compare
B.
To compare
C.
Comparing
D.
Compared
【简答题】A．Even if B．Until C．Given that D．Before
【简答题】Before Mary even finished telling the joke, I couldn't help but burst ________ laughter .
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