问题
选择题
The man put on his glasses __________ see clearly.[ ]
A. that
B. so that to
C. in order that
D. in order to
答案
答案：D
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The man put on his glasses __________ see clearly.[ ]
A. that
B. so that to
C. in order that
D. in order to
答案：D
2SO2（g）+O2（g）2SO3（g）△H=一196.6 kJ·mol－1。