A.He has decided to continue his studies.
B.He has still to make a decision.
C.He has decided to give up his job.
D.He has still to take a part-time job.
第7题
原油按其含蜡量分类,当含蜡大于10%时,该原油属于()。
A.低蜡原油
B.含蜡原油
C.高蜡原油
D.特高蜡原油
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