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【多选题】
转炉吹炼时转炉炉气成分包括：A.
CO
B.
CO2
C.
H2O
D.
SO2
E.
O2
F.
N2
G.
H2
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反馈参考答案：
举一反三
【简答题】He had learned
to communicate and compromise.A. 主谓 B. 主谓宾 C. 主谓宾宾 D. 主谓宾补 E. 主系表
【单选题】He was disappointed ____ he had learned from books quite differed from his actual life.
A.
what
B.
that
C.
which
D.
how
【简答题】有人说:“ 真正去了解一个城市不是看那些繁复的宣传,而是在文学历史上感受它的氛围,然后去城市的每个角落去找寻这种氛围并体味历史的沉淀与变化。 ”
【单选题】All that he had learned only made him feel how little he knew in comparison with ______ remained to be known.
A.
what was
B.
what
C.
which was
D.
that
参考解析：
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