His manner was _______ he would offend everyone he met.
A. so that
B. such as
C. such that
D. so
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An expository essay can _______.
A. give information about a topic
B. explain ideas
C. give directions
D. show how to do something
氧浓度的计算公式是( )
A. 吸氧浓度(%)=21+4×氧流量(L/min)
B. 吸氧浓度(%)=21+4×氧流量(ml/min)
C. 吸氧浓度=21+4×氧流量(ml/min)
D. 吸氧浓度(%)=24+4×氧流量(L/min)
E. 吸氧浓度(%)=21+氧流量(L/min)
启迪·成长聚焦在哪些问题?()
A. 未来走向的迷茫
B. 当下选择的迷茫
C. 缺乏安全感
D. 以上都不是