It is unjust that a privileged few should continue to _____ wealth while the working class can only manage to make their ends meet.
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We need to rethink the way we consume energy. Take, for ________, our approach to transport.
A.mannerB.meansC.caseD.context
A. manner
B. means
C. case
D. context
A.optionB.spanC.prototypeD.range
A. option
B. span
C. prototype
D. range
矿渣硅酸盐水泥、火山灰质硅酸盐水泥、粉煤灰硅酸盐水泥、复合硅酸盐水泥的强度等级分为32.5、32.5R、42.5、42.5R、52.5、52.5R六个等级。()